S
M
T
W
T
F
S
30
84°
58°
31
80°
69°
1
89°
70°
2
76°
68°
3
89°
70°
4
86°
67°
5
81°
59°
6
77°
57°
7
79°
56°
8
82°
64°
9
83°
67°
10
87°
59°
11
79°
58°
12
80°
58°
13
80°
60°
14
82°
59°
15
82°
60°
16
83°
52°
17
74°
54°
18
73°
51°
19
78°
55°
20
80°
58°
21
78°
58°
22
78°
59°
23
73°
57°
24
76°
55°
25
75°
55°
26
78°
57°
27
77°
56°
28
75°
51°
29
68°
49°
30
70°
52°
1
68°
49°
2
68°
51°
3
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Petersburg
East Petersburg's September 2026 forecast shows daily high temperatures ranging from 65° to 89°, with overnight lows between 47° and 70°. The average high for September is 78° with an average low of 57°. 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 East Petersburg. See also: October | November | December.
