S
M
T
W
T
F
S
30
91°
68°
31
90°
67°
1
87°
69°
2
90°
67°
3
86°
68°
4
89°
67°
5
88°
66°
6
89°
68°
7
90°
68°
8
90°
66°
9
89°
68°
10
89°
68°
11
88°
67°
12
89°
68°
13
89°
68°
14
88°
66°
15
87°
66°
16
87°
66°
17
86°
65°
18
87°
64°
19
85°
65°
20
86°
66°
21
86°
65°
22
85°
66°
23
87°
64°
24
85°
65°
25
85°
60°
26
86°
64°
27
81°
64°
28
85°
63°
29
86°
64°
30
Hist. Avg.
83°
59°
1
Hist. Avg.
83°
58°
2
Hist. Avg.
82°
58°
3
Hist. Avg.
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Excel
Excel's September 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 60° and 69°. The average high for September is 87° 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 Excel. See also: October | November | December.
