Measurements:
°C
°F
Lake Delton
60°F
N 3 mph
Feels like: 60°F
Precip: 4%
World Resorts USA Lake Delton Weather September Weather in Lake Delton

Lake Delton Weather: September

Average Day Temperature: 75.2°F
Average Night Temperature: 57.1°F
Number of Sunny Days: 13 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: 2026 2025 2024

The highest day temperature in September 2026 was 93°F. The lowest night temperature was 46°F. The average values for day and night temperatures during September were 73.0°F и 59.0°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 7.7 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 7.5 hours.

Best Time to Visit Lake Delton
The most sunny months:
October 15 days
August 15 days
September 13 days
The most warm months:
July 83.6 °F
August 81.9 °F
June 78.6 °F
The most cold months:
January 20.7 °F
February 25.5 °F
December 28.0 °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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Lake Delton
Local time: 19:27
05 oct, monday
2100 54°F
NW
4 mph
06 oct, tuesday
0000 50°F
N
6 mph
0300 48°F
N
6 mph
0600 48°F
N
7 mph
0900 56°F
N
12 mph
1200 68°F
NE
17 mph
1500 70°F
NE
17 mph
1800 66°F
NE
15 mph