Weather in Lake Delton: September
| Average day temperature: | 73.0°F | |
| Average night temperature: | 56.1°F | |
| Number of sunny days: | 15 days | |
| Day length: | 11.8 - 13.2 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 0.7 in. | |
| more information | ||
14 days
forecast
forecast
| Lake Delton |
weather in
October
October
| Lake Delton |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 84°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 72.8°F and 55.1°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 Lake Delton in September is 0.7 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.8 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: 8.2.
Best time for vacation in Lake Delton
Lake Delton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lake Delton
Local time: 08:59
December 25, thursday
0900

32°F
SW
9 mph
9 mph
1200

32°F
W
13 mph
13 mph
1500

36°F
W
13 mph
13 mph
1800

32°F
W
14 mph
14 mph
2100

30°F
W
13 mph
13 mph
December 26, friday
0000

32°F
NW
13 mph
13 mph
0300

32°F
NW
12 mph
12 mph
0600

32°F
W
6 mph
6 mph




























