S
M
T
W
T
F
S
30
78°
57°
31
81°
57°
1
80°
48°
2
77°
49°
3
71°
52°
4
73°
54°
5
75°
57°
6
78°
51°
7
78°
48°
8
71°
50°
9
71°
56°
10
70°
56°
11
76°
54°
12
73°
51°
13
69°
51°
14
67°
48°
15
68°
46°
16
67°
45°
17
67°
50°
18
68°
45°
19
68°
50°
20
67°
53°
21
72°
50°
22
71°
43°
23
66°
48°
24
64°
51°
25
68°
44°
26
63°
45°
27
68°
49°
28
Hist. Avg.
66°
45°
29
Hist. Avg.
66°
44°
30
Hist. Avg.
66°
44°
1
Hist. Avg.
65°
44°
2
Hist. Avg.
65°
43°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Palermo
Palermo's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 43° and 57°. The average high for September is 71° with an average low of 50°. 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 Palermo. See also: October | November | December.
