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
78°
55°
12
81°
65°
13
80°
47°
14
71°
57°
15
88°
64°
16
88°
67°
17
84°
63°
18
77°
57°
19
74°
53°
20
66°
49°
21
71°
50°
22
70°
52°
23
74°
50°
24
73°
49°
25
71°
49°
26
77°
54°
27
77°
55°
28
76°
55°
29
75°
54°
30
75°
55°
1
74°
53°
2
75°
51°
3
74°
53°
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 66° to 88°, with overnight lows between 47° and 67°. 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.
