Measurements:
°C
°F
Lake Geneva
64°F
N 20 mph
Feels like: 64°F
Precip: 0%
World Resorts USA Lake Geneva Weather September Weather in Lake Geneva

Lake Geneva Weather: September

Average Day Temperature: 75.8°F
Average Night Temperature: 59.6°F
Sea Water Temperature: 56.5°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.9 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 90°F. The lowest night temperature was 39°F. The average values for day and night temperatures during September were 77.4°F и 56.4°F respectivly.

Lake Geneva Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Lake Geneva was 30.0°F. The maximum and minimum values were 30.0°F and 30.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Lake Geneva is 0.9 in.

Wind Speed in September, mph

The average wind speed in September is 8.6 mph. It makes September one of the most windless months of the year for Lake Geneva.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Lake Geneva in September is 8.2 hours.

Best Time to Visit Lake Geneva
The most sunny months:
September 15 days
August 14 days
November 13 days
The most warm months:
August 81.7 °F
July 81.6 °F
June 77.8 °F
Warmest sea temperature:
August 58.2 °F
October 50.8 °F
July 49.2 °F
The most cold months:
January 24.8 °F
February 27.7 °F
December 33.6 °F
The most rainy months:
April 4 days
May 3 days
July 2 days
The most windy months:
March 11 mph
April 11 mph
November 11 mph

Lake Geneva on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Lake Geneva
Local time: 08:35
05 nov, tuesday
0900 64°F
N
20 mph
1200 64°F
N
25 mph
1500 64°F
NE
22 mph
1800 62°F
NE
21 mph
2100 50°F
NE
22 mph
06 nov, wednesday
0000 44°F
E
21 mph
0300 42°F
E
16 mph
0600 40°F
E
11 mph