S
M
T
W
T
F
S
30
90°
66°
31
92°
71°
1
94°
71°
2
93°
72°
3
96°
72°
4
95°
72°
5
88°
67°
6
84°
62°
7
84°
65°
8
88°
70°
9
90°
69°
10
86°
66°
11
84°
62°
12
82°
63°
13
80°
64°
14
78°
60°
15
81°
58°
16
79°
63°
17
82°
62°
18
74°
62°
19
81°
62°
20
76°
61°
21
78°
62°
22
78°
60°
23
77°
56°
24
72°
58°
25
79°
60°
26
76°
53°
27
69°
49°
28
68°
48°
29
67°
48°
30
68°
49°
1
67°
47°
2
67°
53°
3
72°
56°
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 67° to 96°, with overnight lows between 47° and 72°. The average high for September is 79° with an average low of 60°. 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.
