S
M
T
W
T
F
S
30
71°
33°
31
66°
30°
1
60°
28°
2
56°
27°
3
57°
30°
4
64°
28°
5
67°
36°
6
66°
30°
7
56°
27°
8
54°
25°
9
54°
26°
10
56°
26°
11
55°
29°
12
59°
32°
13
61°
30°
14
65°
35°
15
66°
37°
16
67°
36°
17
65°
35°
18
62°
35°
19
63°
34°
20
62°
33°
21
63°
34°
22
62°
33°
23
61°
35°
24
58°
29°
25
53°
22°
26
49°
28°
27
49°
29°
28
50°
20°
29
47°
21°
30
48°
24°
1
49°
28°
2
57°
31°
3
58°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Schweitzer
Schweitzer's September 2026 forecast shows daily high temperatures ranging from 47° to 71°, with overnight lows between 20° and 37°. The average high for September is 59° with an average low of 30°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Schweitzer. See also: October | November | December.
