S
M
T
W
T
F
S
30
75°
56°
31
79°
57°
1
81°
59°
2
80°
60°
3
81°
61°
4
80°
55°
5
77°
51°
6
78°
59°
7
78°
56°
8
80°
58°
9
81°
57°
10
80°
57°
11
81°
56°
12
81°
57°
13
80°
57°
14
80°
56°
15
79°
57°
16
78°
57°
17
77°
53°
18
76°
48°
19
72°
44°
20
69°
47°
21
69°
47°
22
72°
42°
23
67°
43°
24
67°
52°
25
68°
54°
26
67°
52°
27
69°
53°
28
71°
52°
29
65°
53°
30
66°
45°
1
66°
40°
2
64°
39°
3
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jamestown Township
Jamestown Township's September 2026 forecast shows daily high temperatures ranging from 61° to 81°, with overnight lows between 38° and 61°. The average high for September is 74° with an average low of 52°. 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 Jamestown Township. See also: October | November | December.
