S
M
T
W
T
F
S
30
86°
67°
31
86°
67°
1
82°
66°
2
84°
65°
3
86°
65°
4
85°
67°
5
86°
67°
6
87°
68°
7
87°
68°
8
85°
67°
9
81°
67°
10
83°
66°
11
83°
67°
12
84°
69°
13
84°
67°
14
87°
68°
15
86°
67°
16
85°
66°
17
84°
64°
18
82°
68°
19
85°
65°
20
80°
62°
21
86°
67°
22
87°
66°
23
Hist. Avg.
85°
62°
24
Hist. Avg.
85°
62°
25
Hist. Avg.
85°
62°
26
Hist. Avg.
84°
62°
27
Hist. Avg.
84°
62°
28
Hist. Avg.
84°
61°
29
Hist. Avg.
84°
61°
30
Hist. Avg.
84°
61°
1
Hist. Avg.
83°
61°
2
Hist. Avg.
83°
60°
3
Hist. Avg.
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Commerce
Commerce's September 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 62° and 69°. The average high for September is 85° with an average low of 67°. 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 Commerce. See also: October | November | December.
