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Geneva weather in September

Weather in Geneva: September

Average day temperature: 68.7°F
Average night temperature: 48.1°F
Sea water temperature: 64.2°F
Number of sunny days: 16 days
Day length: 11.8 - 13.3 hours
Number of rainy days: 6 days
Precipitation totals: 2.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 83°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during September were 63.9°F and 49.6°F.

Sea water temperature in Geneva in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 67.2°F. The highest and lowest sea temperatures during the month were 73.4°F and 62.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Geneva in September is 2.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.8 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.7.

Best time for vacation in Geneva

Sunniest months:
August 19 days
July 18 days
September 16 days
Warmest months:
August 76.6 °F
July 76.3 °F
June 72.2 °F
Warmest sea temp:
August 67.4 °F
July 66.7 °F
September 64.2 °F
Coldest months:
January 38.1 °F
December 40.5 °F
February 42.2 °F
Rainiest months:
May 8 days
June 8 days
July 6 days
Windiest months:
January 5.1 mph
February 5.0 mph
April 4.9 mph

Geneva on a weather map

Geneva
+46°F
NE 4 mph
Feels like: +45°F
Precip.: 0%
Places in Switzerland:
Name
°F
+50°F
+45°F
+52°F
+34°F
+48°F
+36°F
+46°F
+54°F
+52°F
+52°F
+52°F
+45°F
+50°F
+30°F
+48°F
24 Hours Forecast
Geneva
Local time: 16:13
December 18, wednesday
1800
43°F
N
4 mph
2100
41°F
N
4 mph
December 19, thursday
0000
39°F
N
4 mph
0300
39°F
NE
6 mph
0600
41°F
NE
6 mph
0900
45°F
N
11 mph
1200
46°F
N
7 mph
1500
46°F
N
11 mph
Units of measurement: °C / °F