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Reykjavik Weather in September, Iceland

Reykjavik Averages September


  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month


  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

  • What is Average Sea Temperature?
    Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

    Sea Temperature

  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    4 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    23 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years


    40 mm

Slide and Tap Other Months

Reykjavik Daily Averages September


September 2024
1 Avg 10º 50º
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5 Avg 48º
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10 Avg 48º
11 Avg 48º
12 Avg 48º
13 Avg 48º
14 Avg 46º
15 Avg 46º
16 Avg 46º
17 Avg 46º
18 Avg 46º
19 Avg 46º
20 Avg 46º
21 Avg 45º
22 Avg 45º
23 Avg 46º
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25 Avg 46º
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30 Avg 45º
Avg Historical Daily Average

September Weather Averages

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What's the Weather Like in Reykjavik in September

The weather is still enjoyable in September and it's actually an ideal time to visit as all the crowds have gone, it's off-season. Prices will go down for tourists but the weather is still agreeable. The days have gradually become darker and darker meaning the magical Northern Lights are visible again.


In September the daily average temperature sits around 7°C. The lowest temperature expected is 5°C and the highest is 9°C. Not exactly tanning weather but particularly warm for Iceland.


September expects around 40mm of rainfall and 23 days of rainfall.


There is on average 4 hours of sunshine per day in September, outside activities are still enjoyable.

Sea Temperature 

In September the sea temperature is on average 10°C. However, there is no need to swim in the sea as the Blue Lagoon is 37-39°C, unless you want to of course. 

Daylight Hours

On the 1st of September the day length is 14 hours and 42 minutes, whereas in the middle of the month it's around 13 hours 44 minutes. The daylight hours are decreasing rather quickly than previous months.

Hotels for Reykjavik in September

Centerhotel Arnarhvoll

Centerhotel Arnarhvoll and it's surroundings boast an extensive choice of services for business, holiday and leisure. There are 104 stylish rooms within the hotel and the top floor restaurant and bar are definitely worth a visit. The wellness area, good service and amazing view from the rooms keeps customers coming back. You will be given everything you need for a memorable stay in Reykjavik at Arnarhvoll Hotel. All rooms are equipped with a mini-bar, telephone, flat screen TV, safety deposit box, shower, hairdryer and free WiFi.

Hotel Borg

Hotel Borg overlooking the stunning Austurvöllur square in the heart of Reykjavik has become a landmark of Reykjavik. Ideal for reaching restaurants, businesses, galleries and shops, Borg is a convenient place to stay. Hosting 99 rooms and suites with beautiful Art Deco the hotel is popular among tourists. It is just 45km from the international airport. You will have the choice of single, double, superior or deluxe rooms.

For those looking for something a little more luxurious, the suites and tower suites are a plush option. An added bonus is the Borg Spa, this alone may persuade you to book your stay here; it offers a hot tub, steam bath, sauna, relaxation area, fitness room and amazing range of treatments. 

Hotel Fron

Newly built Hotel Fron is a charming apartment hotel based in a peaceful area, just a 1 minute walk away from Reykjavik's main shopping street. Around the district you will find the national theatre, restaurants, cafes, galleries and museums. Choose from hotel rooms and a wide range of apartments. The apartments are ideal for those wanting to relax inside and cook; pick a studio, studio deluxe, one bedroom, two bedroom or penthouse apartment.

All apartments are fitted with kitchen facilities, a refrigerator, a microwave oven and a cooking stove. They also have an en-suite bathroom, a minibar, a telephone, TV, wireless internet access, hairdryer and a safe to store valuables.

Restaurants and Bars for Reykjavik in September

Messinn Restaurant

Messinn Restaurant is the best place to get fish for dinner in Reykjavik. Try the perfectly cooked salmon, creamy fish soup or carrot and chickpea fritters for a taste sensation. The selection of wine on offer and range of spirits is impressive. The dessert menu has some tasty sweet treats and the cocktails are popular to say the least.


Sjavargrillid is another highly rated seafood restaurant and also a steakhouse. The young master chef not only makes gorgeous tasting meals but displays them so nicely you'll feel guilty eating what's infront of you. Langoustine Tacos are a favourite on the menu and something different to try while you're in Reykjavik. If you can't choose from the range of amazing options on the menu, why not get the set menu? Indulge in some delicious food while sipping a big glass of wine.

Saemundur Gastro Pub

Kex Hostel has a cool bar Saemundur Gastro Pub within a biscuit factory and serves a lovely evening menu. The 'spicy freedom burger' is definitely one to fill up the hungry. You will enjoy meals here and funky, different atmosphere. If you're traveling and looking to meet new people, here would be the ideal place to eat as it's based within a hostel. 

Things to Do in Reykjavik in September

The Northern Lights

The Northern Lights are a must see in Iceland and if you're visiting in March you're in with a chance of seeing them. They are formed from electrically charged particles from the sun colliding with gaseous particles in the Earth's atmosphere; this causes bright, colourful lights that practically dance in the sky. Seeing the lights is both magical and unique for all ages. Look out for white, green, pink and purple colours in the sky and don't forget your camera or phone to capture your special experience.

Volcano Thrihnukagigur

Volcano Thrihnukagigur is dormant and last erupted over 4,000 years ago, with no indication of erupting in the near future. The name of the volcano translates to 'Three Peaks Crater'. All three craters are prominent landmarks, standing against the sky on the highland edge. Inside the volcano is what you'll be interested in seeing - tours of the unique natural phenomenon enable you to see the magma chamber.

Haifoss Waterfall

Although Haifoss Waterfall is around 2 hours from central Reykjavik it's definitely worth the journey, for the spectacular views. The waterfall is 122m high and is situated in Fossa river, a spring water tributary of the glacial river jórsá, Iceland's longest river.

Elding's Classic Whale Watching Tour

Over the last two decades, Iceland has rapidly grown to become the whale watching centre of Europe. pril through to September is the best time of year for whale watching, so in July there is a very good chance of seeing them near Reykjavik. 

Elding's Classic Whale Watching Tour is recommended by lots of tourists. The boat will have several outdoor viewing platforms where you can stand to see and photograph Minke whales, white-beaked dolphins, porpoises and Humpback whales if you're lucky. This tour can be combined with other tours, such as Puffin Watching, Northern Lights and many more - check the website for more details. 

Reykjavik Holiday Reviews

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