S
M
T
W
T
F
S
30
92°
69°
31
91°
68°
1
90°
69°
2
92°
65°
3
89°
64°
4
89°
65°
5
90°
66°
6
92°
68°
7
93°
69°
8
92°
69°
9
88°
68°
10
92°
69°
11
94°
70°
12
94°
70°
13
93°
69°
14
94°
69°
15
94°
68°
16
93°
69°
17
92°
68°
18
93°
67°
19
88°
66°
20
90°
67°
21
91°
60°
22
87°
58°
23
88°
64°
24
90°
65°
25
Hist. Avg.
87°
61°
26
Hist. Avg.
87°
61°
27
Hist. Avg.
86°
60°
28
Hist. Avg.
86°
60°
29
Hist. Avg.
86°
60°
30
Hist. Avg.
85°
59°
1
Hist. Avg.
85°
59°
2
Hist. Avg.
85°
58°
3
Hist. Avg.
84°
58°
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 87° to 94°, with overnight lows between 58° and 70°. The average high for September is 91° 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.
