S
M
T
W
T
F
S
30
73°
55°
31
72°
59°
1
79°
59°
2
79°
57°
3
78°
53°
4
77°
57°
5
77°
51°
6
78°
49°
7
70°
52°
8
69°
56°
9
70°
51°
10
74°
48°
11
70°
55°
12
71°
49°
13
75°
49°
14
71°
47°
15
69°
54°
16
68°
46°
17
66°
45°
18
Hist. Avg.
71°
49°
19
Hist. Avg.
70°
48°
20
Hist. Avg.
70°
48°
21
Hist. Avg.
70°
48°
22
Hist. Avg.
69°
47°
23
Hist. Avg.
69°
47°
24
Hist. Avg.
68°
46°
25
Hist. Avg.
68°
46°
26
Hist. Avg.
67°
46°
27
Hist. Avg.
67°
45°
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 66° to 79°, with overnight lows between 45° and 59°. The average high for September is 73° with an average low of 52°. 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.
