S
M
T
W
T
F
S
30
81°
57°
31
74°
60°
1
74°
64°
2
75°
61°
3
80°
66°
4
83°
63°
5
82°
55°
6
74°
55°
7
74°
54°
8
72°
56°
9
77°
62°
10
74°
57°
11
71°
52°
12
71°
52°
13
72°
54°
14
71°
53°
15
70°
51°
16
70°
50°
17
68°
49°
18
67°
50°
19
67°
50°
20
68°
51°
21
68°
50°
22
69°
51°
23
71°
55°
24
72°
56°
25
74°
57°
26
74°
49°
27
73°
48°
28
66°
55°
29
65°
54°
30
73°
52°
1
71°
54°
2
68°
52°
3
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stevensville
Stevensville's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 48° and 66°. The average high for September is 72° with an average low of 54°. 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 Stevensville. See also: October | November | December.
