S
M
T
W
T
F
S
30
86°
65°
31
85°
66°
1
84°
68°
2
86°
65°
3
83°
63°
4
82°
62°
5
82°
61°
6
83°
61°
7
83°
62°
8
87°
62°
9
86°
64°
10
86°
61°
11
85°
61°
12
87°
65°
13
87°
65°
14
86°
64°
15
86°
65°
16
85°
65°
17
84°
63°
18
84°
63°
19
83°
62°
20
83°
63°
21
82°
62°
22
82°
62°
23
78°
58°
24
Hist. Avg.
79°
57°
25
Hist. Avg.
78°
57°
26
Hist. Avg.
78°
56°
27
Hist. Avg.
78°
56°
28
Hist. Avg.
77°
56°
29
Hist. Avg.
77°
55°
30
Hist. Avg.
77°
55°
1
Hist. Avg.
76°
54°
2
Hist. Avg.
76°
54°
3
Hist. Avg.
76°
53°
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 78° to 87°, with overnight lows between 58° and 68°. The average high for September is 84° with an average low of 63°. 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.
