S
M
T
W
T
F
S
30
73°
56°
31
73°
54°
1
72°
55°
2
72°
56°
3
71°
55°
4
72°
51°
5
68°
54°
6
71°
51°
7
70°
50°
8
67°
51°
9
66°
49°
10
64°
50°
11
65°
51°
12
64°
49°
13
63°
52°
14
63°
49°
15
64°
51°
16
65°
46°
17
64°
47°
18
62°
44°
19
61°
46°
20
62°
45°
21
61°
45°
22
62°
46°
23
62°
49°
24
61°
48°
25
61°
48°
26
59°
50°
27
63°
50°
28
Hist. Avg.
61°
46°
29
Hist. Avg.
61°
46°
30
Hist. Avg.
60°
46°
1
Hist. Avg.
60°
45°
2
Hist. Avg.
59°
45°
3
Hist. Avg.
59°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Jesteburg
Jesteburg's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 44° and 56°. The average high for September is 66° 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 Jesteburg. See also: October | November | December.