S
M
T
W
T
F
S
30
70°
55°
31
72°
55°
1
71°
54°
2
69°
55°
3
74°
55°
4
75°
54°
5
74°
55°
6
72°
54°
7
69°
53°
8
71°
52°
9
71°
52°
10
75°
53°
11
74°
53°
12
75°
52°
13
72°
53°
14
72°
50°
15
63°
45°
16
63°
44°
17
65°
50°
18
68°
51°
19
69°
50°
20
69°
51°
21
72°
47°
22
71°
46°
23
69°
46°
24
70°
36°
25
71°
44°
26
63°
47°
27
69°
44°
28
69°
49°
29
70°
34°
30
69°
35°
1
56°
43°
2
64°
42°
3
66°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fosston
Fosston's September 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 34° and 55°. The average high for September is 69° with an average low of 48°. 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 Fosston. See also: October | November | December.
