S
M
T
W
T
F
S
30
71°
64°
31
81°
64°
1
78°
58°
2
78°
49°
3
83°
56°
4
76°
61°
5
73°
63°
6
81°
62°
7
78°
65°
8
83°
63°
9
71°
55°
10
80°
46°
11
77°
58°
12
61°
45°
13
62°
37°
14
56°
49°
15
62°
41°
16
65°
46°
17
68°
52°
18
68°
51°
19
67°
48°
20
70°
48°
21
69°
47°
22
70°
50°
23
67°
52°
24
71°
48°
25
72°
51°
26
70°
50°
27
67°
48°
28
56°
45°
29
63°
45°
30
64°
44°
1
64°
44°
2
61°
43°
3
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bemidji
Bemidji's September 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 41° and 52°. The average high for September is 66° with an average low of 47°. 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 Bemidji. See also: October | November | December.
