S
M
T
W
T
F
S
30
72°
42°
31
82°
36°
1
81°
48°
2
69°
46°
3
65°
52°
4
64°
43°
5
71°
40°
6
76°
42°
7
63°
51°
8
70°
47°
9
79°
41°
10
79°
47°
11
70°
41°
12
74°
53°
13
64°
46°
14
61°
39°
15
66°
44°
16
75°
41°
17
76°
47°
18
77°
44°
19
78°
39°
20
79°
39°
21
81°
41°
22
77°
43°
23
71°
41°
24
74°
37°
25
60°
47°
26
60°
37°
27
63°
31°
28
67°
27°
29
64°
50°
30
67°
34°
1
68°
35°
2
74°
38°
3
76°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chewelah
Chewelah's September 2026 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 Chewelah. See also: October | November | December.
