World Resorts USA Spirit Lake Weather

Spirit Lake weather in September

Weather in Spirit Lake: September

Average day temperature: 75.7°F
Average night temperature: 58.8°F
Number of sunny days: 17 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 2 days
Precipitation totals: 2.6 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 95°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during September were 69.3°F and 60.5°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 2.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 10.2 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: 8.3.

Best time for vacation in Spirit Lake

Sunniest months:
October 19 days
September 17 days
July 16 days
Warmest months:
July 80.8 °F
August 80.4 °F
June 77.6 °F
Coldest months:
January 21.7 °F
February 26.4 °F
December 29.5 °F
Rainiest months:
May 3 days
August 2 days
September 2 days
Windiest months:
April 12.5 mph
March 11.8 mph
October 11.0 mph

Spirit Lake on a weather map

Spirit Lake
+66°F
N 11 mph
Feels like: +66°F
Precip.: 16%
Places in USA:
Name
°F
+57°F
+70°F
+79°F
+73°F
+79°F
+86°F
+64°F
+59°F
+73°F
+61°F
+75°F
+86°F
+93°F
+66°F
24 Hours Forecast
Spirit Lake
Local time: 13:35
September 28, monday
1500
66°F
N
11 mph
1800
64°F
N
11 mph
2100
64°F
N
10 mph
September 29, tuesday
0000
63°F
N
12 mph
0300
61°F
N
13 mph
0600
59°F
N
13 mph
0900
57°F
N
12 mph
1200
57°F
N
10 mph
Units of measurement: °C / °F