S
M
T
W
T
F
S
30
90°
68°
31
89°
69°
1
90°
69°
2
90°
68°
3
89°
69°
4
90°
69°
5
91°
68°
6
90°
67°
7
89°
63°
8
84°
66°
9
86°
67°
10
88°
62°
11
88°
63°
12
86°
64°
13
87°
65°
14
88°
66°
15
89°
65°
16
87°
64°
17
85°
61°
18
82°
60°
19
81°
65°
20
82°
60°
21
81°
59°
22
80°
59°
23
80°
64°
24
81°
64°
25
83°
63°
26
85°
64°
27
82°
63°
28
84°
64°
29
84°
63°
30
80°
61°
1
79°
62°
2
83°
56°
3
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jumbo
Jumbo's September 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 55° and 69°. The average high for September is 85° with an average low of 64°. 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 Jumbo. See also: October | November | December.
