S
M
T
W
T
F
S
30
88°
61°
31
89°
61°
1
89°
62°
2
86°
64°
3
82°
65°
4
85°
66°
5
84°
64°
6
88°
61°
7
81°
65°
8
87°
64°
9
86°
61°
10
88°
64°
11
83°
62°
12
87°
56°
13
80°
55°
14
77°
54°
15
77°
55°
16
78°
55°
17
81°
59°
18
83°
61°
19
83°
60°
20
76°
60°
21
82°
61°
22
84°
59°
23
84°
51°
24
78°
50°
25
72°
49°
26
79°
50°
27
81°
57°
28
80°
57°
29
81°
56°
30
Hist. Avg.
76°
50°
1
Hist. Avg.
76°
50°
2
Hist. Avg.
75°
49°
3
Hist. Avg.
75°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Jane
Jane's September 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 49° and 66°. The average high for September is 83° with an average low of 59°. 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 Jane. See also: October | November | December.