S
M
T
W
T
F
S
30
73°
63°
31
82°
66°
1
80°
60°
2
80°
53°
3
82°
58°
4
71°
60°
5
71°
60°
6
83°
59°
7
79°
64°
8
79°
64°
9
72°
55°
10
78°
46°
11
79°
62°
12
63°
49°
13
62°
40°
14
55°
36°
15
64°
45°
16
68°
40°
17
64°
45°
18
64°
49°
19
64°
54°
20
64°
46°
21
65°
40°
22
63°
35°
23
68°
42°
24
N/A
25
N/A
26
65°
53°
27
70°
44°
28
69°
60°
29
63°
54°
30
72°
46°
1
60°
38°
2
63°
44°
3
62°
44°
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 60° to 72°, with overnight lows between 38° and 60°. 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 Deer River. See also: October | November | December.
