S
M
T
W
T
F
S
30
66°
44°
31
77°
35°
1
83°
46°
2
66°
47°
3
65°
42°
4
63°
40°
5
71°
41°
6
72°
42°
7
71°
42°
8
72°
40°
9
73°
41°
10
74°
40°
11
75°
41°
12
76°
40°
13
73°
39°
14
72°
36°
15
76°
42°
16
77°
39°
17
64°
32°
18
63°
31°
19
70°
35°
20
71°
39°
21
63°
32°
22
68°
38°
23
74°
40°
24
73°
39°
25
61°
35°
26
69°
40°
27
66°
39°
28
68°
34°
29
66°
35°
30
69°
38°
1
70°
39°
2
68°
38°
3
57°
34°
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 57° to 83°, with overnight lows between 31° and 47°. The average high for September is 70° with an average low of 39°. 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.
