S
M
T
W
T
F
S
30
79°
65°
31
82°
68°
1
86°
63°
2
85°
62°
3
78°
63°
4
79°
64°
5
79°
69°
6
84°
69°
7
85°
68°
8
79°
69°
9
78°
69°
10
83°
68°
11
83°
66°
12
81°
68°
13
80°
64°
14
78°
61°
15
75°
61°
16
74°
60°
17
74°
60°
18
75°
61°
19
78°
65°
20
79°
66°
21
80°
63°
22
76°
59°
23
74°
64°
24
73°
65°
25
78°
57°
26
78°
56°
27
Hist. Avg.
75°
57°
28
Hist. Avg.
75°
56°
29
Hist. Avg.
74°
56°
30
Hist. Avg.
74°
56°
1
Hist. Avg.
74°
55°
2
Hist. Avg.
73°
55°
3
Hist. Avg.
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Stevensville
Stevensville's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 69°. The average high for September is 79° with an average low of 64°. 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.
