Geneva Weather September Averages, Switzerland

    • Temperature Temperature 16.5°C 62°F
    • High Temperature High Temperature 22°C 72°F
    • Low Temperature Low Temperature 11°C 52°F
    • Sunshine Hours Sunshine Hours 7 hours
    • Rainfall Rainfall 110 mm
    • Rainfall Days Rainfall Days 14 days

    Geneva Weather for September 2023

    What's the Weather Like in Geneva in September


    Geneva experiences further decline in average temperatures duriing the first month of autumn. Temperatures during the day are still pleasant, while nighttime temperatures become cold (under 13C/55.4F) starting from the second week of September. Monthly lows tend to vary between 6C (42.8F) and 16C (60.8F), while highs typically fluctuate from 14C (57.2F) to 29C (84.2F). Still, temperature values most often remain between 10C (50F) and 21C (69.8F) this time of year. Average daily temperatures in Geneva, Switzerland, are similar to Vienna, Austria, in the month of September.

    The graph projection reveals that the 2nd largest Swiss city features three distinctive intervals considering temperatures in September pleasant, cool and cold. Daytime features pleasant temperatures (over 18C/64.4F), but this interval decreases at a fast pace. In the beginning of the month, it lasts approx. from 11:30 am until 10 pm. In mid-September, it feels comfortable roughly from 1:30 pm to 8 pm. By the end of the month, cool temperatures (over 13C/55.4F) prevail during the day and cold temperatures during the night.

    Sunshine Hours

    Days are still sunny in the city of Geneva in September. The average number of sunshine hours this time of year is around 6:30 hours, which is around 50% of daytime hours. The possibility of cloudy conditions is on the rapid increase in the course of September from 38% to 51%. Hence, the first half of the month is much more favorable in this regard for a trip to this Swiss destination. On the other hand, days are somewhat less likely to feature mostly cloudy or overcast conditions than nights.


    Ville de Genève features between 80 mm/3.15 in in and 100 mm/3.94 in of rainfall on average during September. However, the probability of rainfall doesn't follow the trend of cloudy weather. During the month of September, the likelihood of precipitation barely varies, being around 30% throughout. However, rain brings more rainfall the latter it occurs. According to statistics, the city has around 10 wet days during the first autumn month.

    For the most of the month, rainy conditions are higher during the day than at night. The highest chance of precipitation is around early afternoon.

    Wind speed

    The average wind speed barely fluctuates in the course of the month in the Swiss city of Geneva. This parameter is essentially around 2.6 m/s throughout September, dropping only to 2.5 m/s by the end of the period. Days (up to 3.8 m/s) are comparatively windier than nights (down to 2 m/s). Mid-afternoon features the strongest winds, while early morning is the calmest time of the day.


    The relative humidity this time of year is around 73% on average, featuring dry or comfortable conditions. The possibility of humid conditions is low, dropping from 10% to a few percent in the course of September.

    Sunrise and sunset

    In the month of September, daylight gets shorter at a rapid rate in Geneva. September 1 has 13:19 hours of daylight, with sunrise occurring at 6:55 am and sunset taking place at 8:14 pm. September 30 features 11:45 daylight hours, from 7:32 am to 7:17 pm.

    Extraordinary weather occurrences

    Switzerland isn't notorious for extreme weather and natural hazards. In the last 30 years, storms that caused floods were the most common form of extraordinary occurrences. And these happen rarely even countrywide, much less locally.

    Geneva Hotels in September

    The Swiss city of Geneva is less visited by tourists in the month of September than in summer. Yet, business trips are on the rise, which keeps hotel deals relatively high. In order to pay less for accommodation, prioritize weekends over workdays since business travelers are away then. Plus, the Geneva Transport Card, which is free for tourists, entitles you to use the city's public transportation completely free of charge.

    Ibis Styles Geneve Mont Blanc

    Ibis Styles Geneve Mont Blanc is a 3-star hotel disposing of standard rooms with queen-size or twin beds. Every room has a bathroom, free Wi-Fi and a flat-screen TV. The hotel is centrally located within a walking distance to the major city's points of interest.

    Hotel International & Terminus

    3-star Hotel International & Terminus, located in the city core, disposes of soundproof rooms, suites and the apartment. Room equipment consists of TVs with satellite channels, a minibar, unlimited internet and safety deposit boxes. A restaurant and a fitness center are complimentary facilities.

    Hôtel d'Allèves

    Hôtel d'Allèves is a 4-star establishment located near top attractions of the city of Geneva. Some amenities in the hotel's rooms and suites are air-conditioning, free internet access, minibars, satellite TVs with flat screens and safety deposit boxes.

    Beau Rivage Hotel

    Beau Rivage Hotel is a luxurious establishment boasting views of Lake Geneva and Mont Blanc, one of the highest mountains in Europe. The hotel's stylish rooms, suites and apartments feature utmost elegance. Some facilities and amenities guests enjoy in Beau Rivage are free Wi-Fi, a fitness center, business center, a Michelin-starred restaurant and parking.

    Bars and restaurants

    The multi-cultural city of Geneva is an exceptional culinary destination. A wide range of cuisines from all around the world have found their way into this destination. Thus, you can enjoy specialties characteristic of European, Asian, American and African cuisines. Consequently, the city caters to people with widely different dietary needs and requirements. However, most travelers find eating at restaurants and bars here more expensive than in many other destinations. Therefore, plan a bigger budget for dining than you would usually do.

    Terrasse le Paradis

    Terrasse le Paradis is a riverside venue where you can relax and refresh while enjoying river views. The highlight of the bar is homemade lemonade, while some options for dining are sandwiches and salads. The venue is open from June to September between 9 am to 9 pm on a daily basis.  

    Foret de bambous

    Foret de bambous is a moderately-priced eatery serving Chinese food. Some alternatives you will find in the menu are soups, seafood, and game and pork meat. The address of Foret de bambous is Rue de Chantepoulet 12, and opening hours are daily from 11 am (6 pm on Sunday) to 10 pm.

    Entre Homard & Cote

    Entre Homard & Cote is a mid-range restaurant specializing in beef meat and lobsters. Located in the Paquis neighborhood, the venue is a bit sidelined, but worth time and effort. Once you enter Entre Homard & Cote, head through back doors to access cozy rooms ideal for a longer stay. The restaurant is open daily except on Monday. Opening hours are from noon to 3 pm (workdays) and from 6 pm to midnight.

    Izumi Restaurant

    Izumi is an exclusive dining venue specializing in Japanese cuisine. Some dishes on offer here are Sashimi, Foie Grass, Shrimp Tempura, Salmon Tataki and Wagyu beef. A selection of wines complements the culinary offer. Izumi is a rooftop dining venue of Four Seasons Hotel, boasting views of Geneva Lake and Mont Blanc.

    Things to do in Geneva in September

    The UN office and the Broken Chair

    Geneva, Switzerland, has been in the center of international relations since before the World War II. Back then, it housed the headquarters of the League of Nations. Since 1966, the city is home to the United Nations headquarters.

    You can take a guided tour to visit the headquarters' premises, which reveal various chambers, the assembly hall and many works of art. Outside, the Broken Chair, with 3 intact and 1 broken leg, is one of the main landmarks. 12 meters tall, the monumental chair symbolizes the opposition to the use of mines and cluster bombs.

    Park La Grange

    Park La Grange is a verdant oasis next to Lake Geneva in Ville de Genève. It boasts a magnificent garden featuring around 200 rose varieties. More so, the garden won the Award of Garden excellence, granted by the World Federation of Roses Societies. Park La Grange also has a children's playground, beautiful manor house, fountains, a few theatres and Wi-Fi hotspots. In September, the garden is open from 7 am to 9 pm.

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