S
M
T
W
T
F
S
30
70°
49°
31
70°
52°
1
71°
54°
2
73°
55°
3
78°
49°
4
79°
54°
5
76°
48°
6
69°
47°
7
76°
53°
8
68°
47°
9
67°
50°
10
69°
53°
11
66°
47°
12
67°
49°
13
67°
50°
14
66°
46°
15
65°
42°
16
65°
43°
17
64°
46°
18
Hist. Avg.
72°
42°
19
Hist. Avg.
71°
42°
20
Hist. Avg.
71°
41°
21
Hist. Avg.
70°
41°
22
Hist. Avg.
70°
41°
23
Hist. Avg.
70°
41°
24
Hist. Avg.
69°
41°
25
Hist. Avg.
69°
40°
26
Hist. Avg.
69°
40°
27
Hist. Avg.
68°
40°
28
Hist. Avg.
68°
40°
29
Hist. Avg.
67°
40°
30
Hist. Avg.
67°
40°
1
Hist. Avg.
66°
39°
2
Hist. Avg.
66°
39°
3
Hist. Avg.
66°
39°
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 64° to 79°, with overnight lows between 42° and 55°. The average high for September is 70° with an average low of 49°. 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.
