World Resorts USA Kalispell Weather

Kalispell weather in September

Weather in Kalispell: September

Average day temperature: 69.0°F
Average night temperature: 48.6°F
Number of sunny days: 17 days
Day length: 11.7 - 13.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 85°F. At the same time the lowest night temperature was 33°F. Daily and nightly averages during September were 70.6°F and 49.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
59%
24%
17%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.2
0.4
0.7
0.9
1.1
1.3
1.6
1.1
1.1
1.3
1.1
1.1
1.3

Precipitation total value in Kalispell in September is 0.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.5
2.2
3.0
3.7
4.5
5.2
2.6
3.1
3.3
3.8
4.2
4.2
4.4
4.4
3.7
3.4
2.5
2.6
3.1
3.3
3.6
3.8
4.2
4.2
4.4
4.4
3.7
3.4
2.5

The average wind speed value in September is 3.6 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.5
6.7
9.0
11.2
13.5
15.7
17.9
2.0
2.6
6.4
10.5
13.1
9.8
7.3
5.9
4.6
2.5
1.9
2.0
2.6
6.4
8.7
10.5
13.1
9.8
7.3
5.9
4.6
2.5
1.9

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: 8.7.

Best time for vacation in Kalispell

Sunniest months:
July 24 days
August 20 days
September 17 days
Warmest months:
July 81.3 °F
August 78.2 °F
September 69.0 °F
Coldest months:
January 25.3 °F
February 26.2 °F
December 27.1 °F
Rainiest months:
June 3 days
May 2 days
August 2 days
Windiest months:
May 4.4 mph
April 4.4 mph
June 4.2 mph

Kalispell on a weather map

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24 Hours Forecast
Kalispell
Local time: 17:50
April 05, saturday
1800
57°F
N
4 mph
2100
46°F
NW
2 mph
April 06, sunday
0000
39°F
NW
2 mph
0300
36°F
N
3 mph
0600
28°F
NW
2 mph
0900
34°F
N
2 mph
1200
52°F
N
2 mph
1500
59°F
N
3 mph
Units of measurement: °C / °F