S
M
T
W
T
F
S
30
71°
41°
31
72°
40°
1
72°
39°
2
71°
40°
3
67°
40°
4
65°
36°
5
70°
37°
6
68°
39°
7
69°
37°
8
68°
40°
9
69°
40°
10
70°
34°
11
69°
38°
12
69°
37°
13
66°
38°
14
63°
34°
15
63°
32°
16
Hist. Avg.
69°
34°
17
Hist. Avg.
68°
34°
18
Hist. Avg.
68°
34°
19
Hist. Avg.
68°
33°
20
Hist. Avg.
67°
33°
21
Hist. Avg.
67°
33°
22
Hist. Avg.
67°
32°
23
Hist. Avg.
66°
32°
24
Hist. Avg.
66°
32°
25
Hist. Avg.
66°
32°
26
Hist. Avg.
66°
32°
27
Hist. Avg.
65°
31°
28
Hist. Avg.
65°
31°
29
Hist. Avg.
64°
31°
30
Hist. Avg.
64°
30°
1
Hist. Avg.
64°
30°
2
Hist. Avg.
63°
30°
3
Hist. Avg.
63°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Red River
Red River's September 2026 forecast shows daily high temperatures ranging from 63° to 72°, with overnight lows between 32° and 41°. The average high for September is 68° with an average low of 38°. 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 Red River. See also: October | November | December.
