S
M
T
W
T
F
S
30
79°
35°
31
72°
36°
1
72°
40°
2
80°
34°
3
75°
42°
4
76°
38°
5
76°
39°
6
75°
36°
7
76°
35°
8
74°
32°
9
69°
32°
10
68°
33°
11
66°
36°
12
68°
39°
13
72°
36°
14
67°
31°
15
66°
32°
16
67°
31°
17
66°
30°
18
64°
28°
19
63°
29°
20
65°
31°
21
68°
35°
22
70°
32°
23
68°
40°
24
72°
36°
25
63°
29°
26
62°
34°
27
63°
28°
28
60°
26°
29
59°
28°
30
60°
39°
1
59°
40°
2
62°
28°
3
70°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Philipsburg
Philipsburg's September 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 25° and 42°. The average high for September is 68° with an average low of 34°. 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 Philipsburg. See also: October | November | December.
