S
M
T
W
T
F
S
30
101°
81°
31
102°
80°
1
104°
81°
2
102°
80°
3
94°
78°
4
99°
77°
5
101°
81°
6
100°
80°
7
102°
80°
8
100°
76°
9
100°
76°
10
99°
75°
11
99°
77°
12
102°
75°
13
101°
74°
14
99°
73°
15
95°
69°
16
93°
71°
17
93°
69°
18
91°
67°
19
89°
65°
20
88°
64°
21
87°
63°
22
92°
70°
23
91°
69°
24
90°
68°
25
85°
68°
26
89°
67°
27
89°
67°
28
88°
66°
29
88°
67°
30
86°
61°
1
78°
55°
2
77°
56°
3
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Combine
Combine's September 2026 forecast shows daily high temperatures ranging from 77° to 102°, with overnight lows between 55° and 77°. The average high for September is 91° with an average low of 68°. 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 Combine. See also: October | November | December.