S
M
T
W
T
F
S
30
86°
72°
31
91°
71°
1
94°
72°
2
96°
74°
3
95°
74°
4
97°
73°
5
97°
72°
6
90°
67°
7
89°
69°
8
91°
68°
9
91°
68°
10
92°
69°
11
91°
72°
12
85°
67°
13
85°
66°
14
89°
71°
15
88°
71°
16
88°
70°
17
85°
69°
18
85°
69°
19
83°
66°
20
81°
67°
21
81°
68°
22
83°
68°
23
84°
67°
24
86°
68°
25
85°
67°
26
80°
68°
27
79°
67°
28
83°
67°
29
78°
66°
30
78°
66°
1
77°
65°
2
78°
65°
3
80°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Florence
Florence's September 2026 forecast shows daily high temperatures ranging from 77° to 97°, with overnight lows between 64° and 74°. The average high for September is 86° with an average low of 69°. 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.
