S
M
T
W
T
F
S
30
72°
48°
31
70°
48°
1
70°
53°
2
71°
48°
3
69°
48°
4
69°
55°
5
72°
55°
6
71°
48°
7
71°
47°
8
65°
46°
9
65°
48°
10
66°
49°
11
67°
50°
12
64°
43°
13
Hist. Avg.
69°
46°
14
Hist. Avg.
69°
45°
15
Hist. Avg.
69°
45°
16
Hist. Avg.
68°
45°
17
Hist. Avg.
68°
44°
18
Hist. Avg.
67°
44°
19
Hist. Avg.
67°
44°
20
Hist. Avg.
66°
43°
21
Hist. Avg.
66°
43°
22
Hist. Avg.
65°
42°
23
Hist. Avg.
65°
42°
24
Hist. Avg.
64°
42°
25
Hist. Avg.
64°
41°
26
Hist. Avg.
63°
41°
27
Hist. Avg.
63°
41°
28
Hist. Avg.
62°
40°
29
Hist. Avg.
62°
40°
30
Hist. Avg.
61°
39°
1
Hist. Avg.
61°
39°
2
Hist. Avg.
60°
39°
3
Hist. Avg.
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Deer River
Deer River's September 2026 forecast shows daily high temperatures ranging from 64° to 72°, with overnight lows between 43° and 55°. The average high for September is 69° with an average low of 49°. 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 Deer River. See also: October | November | December.
