S
M
T
W
T
F
S
30
91°
68°
31
90°
67°
1
91°
68°
2
91°
66°
3
89°
65°
4
88°
65°
5
89°
66°
6
89°
65°
7
90°
66°
8
91°
69°
9
87°
69°
10
93°
70°
11
93°
70°
12
92°
69°
13
94°
70°
14
93°
69°
15
93°
69°
16
91°
68°
17
92°
69°
18
92°
68°
19
90°
67°
20
91°
67°
21
89°
64°
22
89°
60°
23
84°
60°
24
Hist. Avg.
87°
63°
25
Hist. Avg.
87°
63°
26
Hist. Avg.
86°
62°
27
Hist. Avg.
86°
62°
28
Hist. Avg.
86°
62°
29
Hist. Avg.
86°
61°
30
Hist. Avg.
85°
61°
1
Hist. Avg.
85°
61°
2
Hist. Avg.
85°
60°
3
Hist. Avg.
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Florence
Florence's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 60° and 70°. The average high for September is 90° with an average low of 67°. 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 Florence. See also: October | November | December.
