S
M
T
W
T
F
S
30
56°
35°
31
58°
41°
1
61°
35°
2
62°
31°
3
60°
41°
4
54°
49°
5
63°
47°
6
59°
45°
7
58°
52°
8
55°
49°
9
61°
42°
10
60°
36°
11
61°
39°
12
59°
41°
13
61°
39°
14
61°
35°
15
53°
48°
16
55°
49°
17
53°
40°
18
50°
41°
19
51°
38°
20
54°
39°
21
46°
38°
22
47°
29°
23
48°
28°
24
50°
36°
25
50°
37°
26
48°
35°
27
49°
33°
28
46°
33°
29
48°
31°
30
47°
33°
1
46°
31°
2
40°
25°
3
39°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Petersville
Petersville's September 2026 forecast shows daily high temperatures ranging from 39° to 54°, with overnight lows between 24° and 41°. The average high for September is 47° 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 Petersville. See also: October | November | December.
