S
M
T
W
T
F
S
30
100°
72°
31
100°
75°
1
100°
72°
2
99°
73°
3
88°
75°
4
97°
73°
5
99°
73°
6
99°
72°
7
100°
73°
8
100°
75°
9
99°
75°
10
97°
75°
11
99°
75°
12
99°
73°
13
99°
75°
14
99°
77°
15
99°
79°
16
99°
77°
17
99°
77°
18
98°
72°
19
96°
70°
20
97°
73°
21
97°
71°
22
97°
70°
23
96°
74°
24
N/A
25
91°
63°
26
91°
63°
27
93°
66°
28
91°
70°
29
95°
66°
30
93°
75°
1
79°
70°
2
78°
66°
3
74°
66°
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 74° to 78°, with overnight lows between 66° and 66°. The average high for September is 76° with an average low of 66°. 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.
