S
M
T
W
T
F
S
30
82°
60°
31
86°
60°
1
87°
61°
2
82°
59°
3
81°
60°
4
85°
61°
5
86°
63°
6
86°
64°
7
85°
58°
8
80°
57°
9
83°
63°
10
85°
61°
11
84°
62°
12
84°
62°
13
85°
58°
14
78°
55°
15
77°
55°
16
78°
56°
17
77°
58°
18
82°
60°
19
83°
59°
20
82°
60°
21
76°
58°
22
77°
57°
23
80°
58°
24
81°
56°
25
77°
51°
26
75°
56°
27
73°
50°
28
Hist. Avg.
76°
53°
29
Hist. Avg.
75°
52°
30
Hist. Avg.
75°
52°
1
Hist. Avg.
75°
51°
2
Hist. Avg.
74°
51°
3
Hist. Avg.
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Coal Valley
Coal Valley's September 2026 forecast shows daily high temperatures ranging from 73° to 87°, with overnight lows between 50° and 64°. The average high for September is 81° with an average low of 59°. 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 Coal Valley. See also: October | November | December.
