S
M
T
W
T
F
S
30
55°
45°
31
53°
42°
1
54°
31°
2
52°
34°
3
46°
31°
4
56°
45°
5
61°
49°
6
65°
39°
7
66°
51°
8
59°
48°
9
53°
48°
10
53°
48°
11
57°
42°
12
55°
43°
13
52°
42°
14
56°
34°
15
51°
44°
16
50°
43°
17
53°
38°
18
54°
40°
19
51°
36°
20
48°
37°
21
41°
32°
22
40°
29°
23
41°
30°
24
40°
30°
25
45°
32°
26
46°
33°
27
44°
32°
28
45°
30°
29
42°
33°
30
38°
31°
1
36°
31°
2
35°
23°
3
34°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Standard
Standard's September 2026 forecast shows daily high temperatures ranging from 34° to 54°, with overnight lows between 21° and 44°. The average high for September is 44° with an average low of 33°. 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 Standard. See also: October | November | December.
