S
M
T
W
T
F
S
30
67°
42°
31
66°
44°
1
69°
51°
2
73°
49°
3
67°
46°
4
67°
43°
5
66°
48°
6
73°
50°
7
Hist. Avg.
67°
42°
8
Hist. Avg.
67°
42°
9
Hist. Avg.
66°
42°
10
Hist. Avg.
66°
41°
11
Hist. Avg.
65°
41°
12
Hist. Avg.
65°
41°
13
Hist. Avg.
64°
40°
14
Hist. Avg.
64°
40°
15
Hist. Avg.
64°
40°
16
Hist. Avg.
63°
39°
17
Hist. Avg.
63°
39°
18
Hist. Avg.
62°
39°
19
Hist. Avg.
62°
39°
20
Hist. Avg.
62°
38°
21
Hist. Avg.
61°
38°
22
Hist. Avg.
61°
38°
23
Hist. Avg.
61°
37°
24
Hist. Avg.
60°
37°
25
Hist. Avg.
60°
37°
26
Hist. Avg.
60°
37°
27
Hist. Avg.
59°
36°
28
Hist. Avg.
59°
36°
29
Hist. Avg.
59°
36°
30
Hist. Avg.
58°
35°
1
Hist. Avg.
58°
35°
2
Hist. Avg.
58°
35°
3
Hist. Avg.
57°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Outlook
Outlook's September 2026 forecast shows daily high temperatures ranging from 66° to 73°, with overnight lows between 42° and 51°. The average high for September is 69° with an average low of 47°. 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 Outlook. See also: October | November | December.
