Geneva in september: average Weather, Temperature and Climate
Weather in Geneva in september 2025
The weather in Geneva in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
50°F
Clear/Sunny
33% of time
21%
19%
16%
Weather at 12pm
70°F
Clear/Sunny
43% of time
27%
20%
6%
Weather at 6pm
54°F
Clear/Sunny
34% of time
24%
19%
12%
Weather at 3am
49°F
29%
26%
21%
15%
Evolution of daily average temperature and precipitation in Geneva in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Geneva in september.
The climate of Geneva in september is good
The climate in september in Geneva is wet (with 5in of rainfall over 7 days). The weather is better from the previous month since in august it receives an average of 7.2in of rainfall over 10 days.
The climate quite nice in this location september. Temperatures are up to 70°F. On average, the recorded minimum temperature is 50°F. Thus, the mean temperature average on this month of september in Geneva is 59°F. Note that these seasonal averages are in contrast with those observed in Geneva in september with a maximum record of 88°F in 2018 and a minimum record of 31°F in 2010. You can plan to have about 23 days with temperatures above 65°F, or 77% of time.
In september in Geneva, the days on average last 12:34. The sun rises at 06:13 and sunset is at 18:47.
With a good climate, this month is a good month to go in this city.
Seasonal average climate and temperature of Geneva in september
Check below seasonal norms These datas are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 88°F (2018) | ||||
| Lowest record temperature | 31°F (2010) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 23 day(s) (77%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5in | ||||
| Number of days with rainfall | 7 day(s) (24%) | ||||
| Record daily rainfall | 2in (2015) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.35km | ||||
| Cloud cover | 35% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:13 | ||||
| Time of sunset | 18:47 | ||||
| Length of day | 12:34 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Geneva in september 2024:
59°F to 85°F
56°F to 77°F
58°F to 79°F
59°F to 74°F
58°F to 68°F
49°F to 74°F
54°F to 79°F
58°F to 74°F
50°F to 58°F
50°F to 70°F
47°F to 63°F
47°F to 58°F
41°F to 54°F
45°F to 59°F
43°F to 61°F
45°F to 63°F
50°F to 61°F
45°F to 65°F
45°F to 67°F
47°F to 70°F
49°F to 70°F
52°F to 65°F
52°F to 58°F
47°F to 65°F
45°F to 65°F
54°F to 59°F
49°F to 59°F
47°F to 50°F
40°F to 59°F
49°F to 67°F
Map: other cities in Switzerland in september
Cities near Geneva:
| Cointrin in september | good weather |
| Nyon in september | tolerable weather |
| Gland in september | tolerable weather |
| Parc naturel régional Jura vaudois in september | tolerable weather |
| Morges in september | good weather |
| Joux (Le Chenit) in september | good weather |
| Lausanne in september | good weather |
| Morgins in september | tolerable weather |
| Epalinges in september | good weather |
| Vallorbe in september | good weather |
| Vevey in september | tolerable weather |
| Monthey in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Geneva
perfect weather
good
tolerable
bad
very bad
Weather data for Geneva in september:
Weather data for Geneva for september are derived from an average of the weather forecast since 2009 in Geneva. There is a margin of error and these forecasts are to be considered as general information only. The weather in Geneva can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Geneva.