S
M
T
W
T
F
S
30
102°
79°
31
86°
72°
1
98°
77°
2
98°
79°
3
99°
79°
4
98°
77°
5
98°
79°
6
100°
81°
7
102°
81°
8
100°
80°
9
98°
79°
10
101°
81°
11
99°
80°
12
98°
77°
13
95°
80°
14
100°
73°
15
102°
76°
16
103°
77°
17
103°
77°
18
102°
76°
19
102°
75°
20
101°
75°
21
101°
74°
22
100°
74°
23
101°
73°
24
101°
74°
25
99°
74°
26
95°
71°
27
92°
68°
28
93°
69°
29
94°
70°
30
93°
68°
1
93°
70°
2
94°
70°
3
94°
69°
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 92° to 103°, with overnight lows between 68° and 81°. The average high for September is 98° with an average low of 75°. 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.
