S
M
T
W
T
F
S
30
73°
50°
31
73°
57°
1
77°
58°
2
72°
59°
3
80°
60°
4
81°
56°
5
81°
55°
6
75°
48°
7
70°
49°
8
74°
55°
9
77°
50°
10
76°
54°
11
74°
49°
12
74°
55°
13
73°
54°
14
78°
50°
15
69°
53°
16
68°
52°
17
67°
53°
18
68°
48°
19
74°
44°
20
67°
50°
21
71°
43°
22
69°
45°
23
69°
43°
24
70°
43°
25
72°
51°
26
73°
48°
27
68°
52°
28
69°
48°
29
71°
40°
30
63°
48°
1
69°
48°
2
71°
44°
3
68°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jamestown West
Jamestown West's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 40° and 60°. The average high for September is 72° with an average low of 50°. 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 West. See also: October | November | December.
