S
M
T
W
T
F
S
30
86°
65°
31
87°
69°
1
86°
64°
2
86°
62°
3
85°
61°
4
83°
62°
5
84°
62°
6
85°
67°
7
88°
70°
8
91°
70°
9
91°
67°
10
85°
63°
11
87°
68°
12
88°
68°
13
90°
60°
14
83°
59°
15
82°
61°
16
87°
60°
17
86°
59°
18
85°
60°
19
87°
61°
20
88°
62°
21
88°
64°
22
87°
65°
23
85°
65°
24
84°
64°
25
82°
63°
26
84°
64°
27
86°
62°
28
86°
62°
29
85°
61°
30
85°
62°
1
86°
61°
2
86°
53°
3
85°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Savanna
Savanna's September 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 53° and 70°. The average high for September is 86° with an average low of 63°. 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 Savanna. See also: October | November | December.