S
M
T
W
T
F
S
31
43°
29°
1
38°
33°
2
35°
33°
3
39°
30°
4
39°
30°
5
37°
29°
6
36°
29°
7
34°
29°
8
42°
28°
9
42°
31°
10
40°
31°
11
37°
28°
12
38°
26°
13
38°
25°
14
41°
32°
15
37°
32°
16
35°
30°
17
35°
29°
18
36°
30°
19
35°
32°
20
40°
28°
21
40°
26°
22
44°
29°
23
53°
35°
24
49°
34°
25
37°
33°
26
35°
31°
27
37°
27°
28
40°
27°
29
36°
26°
30
32°
28°
1
36°
27°
2
36°
30°
3
32°
22°
4
34°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clyde River
Clyde River's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Clyde River. See also: October | November | December.