S
M
T
W
T
F
S
30
82°
65°
31
87°
70°
1
90°
71°
2
92°
71°
3
92°
73°
4
90°
70°
5
83°
68°
6
77°
60°
7
78°
57°
8
84°
57°
9
82°
67°
10
76°
62°
11
79°
65°
12
82°
64°
13
79°
52°
14
71°
60°
15
88°
64°
16
85°
64°
17
77°
59°
18
73°
53°
19
70°
50°
20
69°
49°
21
71°
50°
22
74°
52°
23
77°
54°
24
73°
49°
25
71°
54°
26
77°
54°
27
77°
55°
28
76°
54°
29
76°
54°
30
75°
53°
1
75°
50°
2
69°
52°
3
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mount Etna
Mount Etna's September 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 49° and 65°. The average high for September is 76° with an average low of 55°. 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 Mount Etna. See also: October | November | December.
