S
M
T
W
T
F
S
30
81°
55°
31
81°
59°
1
80°
59°
2
81°
52°
3
79°
48°
4
72°
49°
5
72°
56°
6
74°
57°
7
79°
51°
8
72°
49°
9
71°
50°
10
72°
56°
11
71°
55°
12
79°
56°
13
78°
55°
14
79°
54°
15
77°
47°
16
72°
53°
17
69°
46°
18
71°
45°
19
68°
43°
20
66°
42°
21
65°
43°
22
66°
51°
23
67°
43°
24
67°
43°
25
68°
50°
26
69°
50°
27
70°
51°
28
73°
47°
29
72°
44°
30
67°
45°
1
65°
48°
2
70°
47°
3
63°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pompeii
Pompeii's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 40° and 59°. The average high for September is 72° 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 Pompeii. See also: October | November | December.
