Measurements:
°C
°F
Lake Delton
8°F
NE 12 mph
Feels like: -8°F
Precip: 0%
World Resorts USA Lake Delton Weather September Weather in Lake Delton

Lake Delton Weather: September

Average Day Temperature: 75.6°F
Average Night Temperature: 56.8°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.8 - 13.2 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.7 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 88°F. The lowest night temperature was 38°F. The average values for day and night temperatures during September were 75.3°F и 55.7°F respectivly.

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 Delton is 0.7 in.

Wind Speed in September, mph

The average wind speed in September is 7.8 mph. It makes September one of the most windless months of the year for Lake Delton.

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 Delton in September is 8.1 hours.

Best Time to Visit Lake Delton
The most sunny months:
October 15 days
August 15 days
September 15 days
The most warm months:
July 82.3 °F
August 81.9 °F
June 78.1 °F
The most cold months:
January 21.2 °F
February 24.1 °F
December 28.8 °F
The most rainy months:
June 3 days
May 3 days
March 2 days
The most windy months:
April 10 mph
March 9 mph
November 9 mph

Lake Delton on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Lake Delton
Local time: 02:10
05 dec, friday
0300 8°F
NE
12 mph
0600 10°F
NE
11 mph
0900 14°F
N
9 mph
1200 18°F
NE
11 mph
1500 22°F
NE
11 mph
1800 24°F
NE
10 mph
2100 24°F
NE
8 mph
06 dec, saturday
0000 24°F
E
8 mph