St Lucia Weather September Averages, Saint Lucia
What's the Weather Like in St Lucia in September
The weather in St Lucia in September stays consistently warm with hardly any variation at all throughout the month. At the beginning of the month, the average temperature starts off at 28.5°C (created by highs of 31°C and lows of 26°C) and drops down to 28°C (highs of 31°C and lows of 25°C) by the middle of the month, before rising back up to 28.5°C (highs of 31°C and lows of 26°C) once again by the end.
Although it only occurs on an average of once every ten days, temperatures can sometimes rise above 32°C and fall below 23°C in St Lucia in September. The highest temperature ever recorded on the island during this month is 35°C, whilst the lowest temperature ever recorded here at this time of year is 20°C.
With average temperatures as hot as these, St Lucia in September is best reserved for holidaymakers who love the sunshine and the heat. If you're not a fan of high temperatures but are determined to visit St Lucia, forget about going in September and plan your break for December, January or February instead, when the temperatures are usually at their lowest. On the other hand, if you do still choose to visit St Lucia in September, be prepared and take light and airy clothing, suntan cream and an umbrella to protect you from the elements.
Throughout the month, St Lucia is subject to an average of 181mm/7 inches of rainfall divided between 19 rainy days that's slightly more than in August. With rainfall occurring on almost ¾ of days during this month, you're pretty much guaranteed to experience some form of heavy precipitation during your holiday, so be prepared to spend some time indoors.
The probability of rainfall making an appearance during this month starts off at 60% at the beginning of the month and rises up to 62% by the end. The most likely forms of precipitation you can expect to see on the island at this time of year are light rain (39%), thunderstorms (38%) and moderate rain (19%).
Average Sunshine Hours
Across September, St Lucia boasts an average of nine hours of sunshine each day, along with median cloud coverage of 69% (partly cloudy) which hardly varies at all across the month. On average, the sky is clear or mostly clear 20% of the time, so despite the high percentage of cloud coverage, you should still be able to get some sunbathing in.
Average Sea Temperature
The average sea temperature for St Lucia stays very warm all-year-round. In September, it's 29°C that's the same as in August which is definitely warm enough to go swimming, regardless of how cloudy the sky is.
Thanks to its tropical climate, St Lucia is humid throughout the year. In September, the relative humidity for the island fluctuates between 66% (mildly humid) and 93% (very humid), rarely reaching as high as 99% (very humid) or falling below 60% (mildly humid). The air tends to be at its driest around September 30th, when the relative humidity drops below 70% (mildly humid) three days out of four, whilst it's usually at its most humid around September 23rd, when it rises above 89% (very humid) three days out of four.
September is usually a very windy month for St Lucia. At this time of year, typical wind speeds range between 1 m/s (light air) and 8 m/s (moderate breeze), sometimes going above 18 m/s (gale). The highest average wind speed of 6 m/s (moderate breeze) happens around September 1st, when the average daily maximum is 8 m/s (moderate breeze), whilst the lowest average wind speed of 5 m/s (gentle breeze) occurs around September 19th, when the average daily maximum is 8 m/s (moderate breeze).
St Lucia Hotels in September
Families and couples who want to stay close to the beach during their holiday in St Lucia should consider Sugar Beach. Ideally located with the Caribbean Sea on one side and the lush Piton mountains on the other, this resort provides accommodation in the form of luxury rooms, villas, beachfront bungalows and residences all of which come with great views. Onsite you'll find the world-class rainforest spa, PADI-certified diving centre, waterfront restaurants and bars, water sports, fitness classes, kids' club, free WiFi access and swimming pools, so you'll never have to leave the resort if you don't want to.
Anse Chastanet is another great choice when it comes to beachside accommodation in St Lucia. This resort is set amongst 600 acres of tropical rainforest and is boarded by two sandy beaches where guests can enjoy a variety of water sports, including snorkelling, scuba diving, kayaking, windsurfing and sailing. Accommodation is provided in the form of 47 individually-designed rooms, 37 of which are nestled into the mountains and 12 of which are at beach level. Onsite services and facilities include six local and international restaurants, cooking classes, two bars and spa which offers yoga classes, individual treatments and couple rituals.
For something more affordable, consider Palm Haven Hotel. Found in the north of the island, this resort provides guests with affordable standard, superior deluxe and superior king rooms, each of which comes with WiFi access. Because of the low rates, there aren't many facilities here, with the exception of a spa, swimming pool and restaurant. If you want to explore further afield, there are also two shuttle bus services available to take guests to the nearest beach and shopping centres.
St Lucia Beach for September
If you're planning on visiting Pigeon Island during your holiday in St Lucia, make sure you spend the day at Pigeon Point Beach. Found on the eastern side of the island, this narrow beach is made up of golden sands peppered with sun loungers and parasols, lined by calm, gentle waters which are superb for swimming in. This beach is one of the busiest in the area and features kiosks which serve local cuisine, picnic tables, toilets and rum boats which dock on the shore and serve freshly prepared cocktails. If you get bored of sunbathing, there are various ruins available to explore just a short walk away.
For something more quiet and secluded, consider Praslin Bay. This sheltered cove stretches on for 2km, providing adults with plenty of room for walking and children with more than enough space for playing. Waves are a rare occurrence here, which makes swimming and snorkeling great fun for everyone, and the natural shade provided by the tropical trees and flanking mountains means you can spend hours here. There are no facilities on the beach, but vendors regularly walk up and down it, selling cold drinks and snacks each weekend.
Bars and Restaurants
For fine dining with fantastic sea views, it's got to be Cliff at Cap. Situated in Gros Islet, this top end restaurant serves a nouveau Fresh West Indian menu, made up of local seasonal produce and fresh seafood. Diners can enjoy uninterrupted views toward Martinique toward the north and Pigeon Island to the west, with the Caribbean Sea everywhere in between. Cliff at Cap also offers a special children's menu between 5.30pm and 6.30pm with non-processed organic foods which children can enjoy for free when dining with their parents.
If you're searching for a hearty steak meal in Rodney Bay, look no further than Big Chef Steakhouse. This restaurant offers relaxed yet sophisticated surroundings with an even mixture of tourist and local diners. The menu focuses on meat, with Angus beef cooked just how you like it, alongside rib steaks, filet mignon, New York strips and sirloins. If you're really feeling hungry, take on the chef's 32oz steak challenge you'll get a free t-shirt and 12oz steak if you finish it on your own.
Delirius is the place to go for freshly prepared cocktails in a chic and contemporary environment. Home to the Caribbean Bar Tender of the Year, this award-winning bar-restaurant is open from Monday to Saturday and offers an eclectic mix of local and international beers, wines, spirits and cocktails all at great prices. Live entertainment is held regularly in the form of live bands and DJs.
When you feel the need to relax, stop for a drink at Admiral Rodney's Piano Bar. Located inside the Sandals Grande resort, this bar offers guests comfortable sofa seating and a wide range of drinks, including beers, spirits, cocktails, wines and champagnes available by the bottle and the glass. Each evening entertainment is provided in the form of piano music, creating the ideal environment in which to relax and unwind with a pre- or post-dinner drink.
Things to do in St Lucia in September
Experience shopping like a local in St Lucia by visiting the Castries Market. Located within downtown Castries, this market is just a short walk away from the cruise ship dock and can get remarkably busy on cruise ship days. The best time to visit is on a Saturday when many local farmers set up at the market, selling all sorts of fresh fruit, vegetables, fish and meat. The rest of the market is almost entirely dedicated to souvenir stalls. Most are the usual sorts of souvenirs you can find anywhere, but if you're after some handmade jewellery, there are usually stalls selling intricate earrings made from painted or polished calabash fruit.
The Edmund Forest Reserve is one of the best places in St Lucia to go hiking. Here you'll find 19,000 acres of dense tropical rainforest which stretches from one side of the island to the other. The main hike within the reserve will take you across mountains and valleys and provide you with once-in-a-lifetime views of the Caribbean Sea, exotic flowers, tropical plants and rare birds. The hike can take three hours or more, depending on which path you take, so make sure you take sturdy walking shoes and lots of stamina with you.
For a religious experience, stop by the St Joseph the Worker Parish in Gros Islet during your holiday in St Lucia. This Roman Catholic Presbyterian church offers down-to-earth services and soulful songs from the youth choir. Even if you don't get a chance to attend a service, the church is a beautiful thing to see, with brightly coloured simple stained-glass windows and huge paintings of religious scenes. Masses take place Monday-Friday at 6am, except on Wednesdays when they take place at 6pm. Weekend masses are held at 6.30am and 7pm on Saturdays and 7.30am and 10am on Sundays.
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