Weather in Spirit Lake: September
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Average day temperature: | 76.7°F |
| Average night temperature: | 58.5°F | |
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Number of sunny days: | 19 days |
| Day length: | 11.8 - 13.2 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.4 in. | |
| more information | ||
14 days
forecast
forecast
| Spirit Lake |
weather in
October
October
| Spirit Lake |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 88°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during September were 74.8°F and 57.1°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 Spirit Lake in September is 0.4 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 10.3 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: 9.3.
Best time for vacation in Spirit Lake
Spirit Lake on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Spirit Lake
Local time: 09:02
May 19, tuesday
1200
46°F
SE
16 mph
16 mph
1500
48°F
SE
12 mph
12 mph
1800
54°F
S
12 mph
12 mph
2100
46°F
SW
10 mph
10 mph
May 20, wednesday
0000
43°F
SW
4 mph
4 mph
0300
41°F
SW
4 mph
4 mph
0600
41°F
W
4 mph
4 mph
0900
46°F
W
6 mph
6 mph
