S
M
T
W
T
F
S
30
82°
60°
31
84°
59°
1
83°
52°
2
79°
51°
3
75°
53°
4
79°
59°
5
81°
61°
6
82°
53°
7
79°
51°
8
76°
54°
9
77°
59°
10
73°
59°
11
78°
57°
12
78°
57°
13
74°
56°
14
71°
50°
15
71°
49°
16
70°
47°
17
70°
53°
18
71°
49°
19
71°
55°
20
73°
56°
21
75°
52°
22
71°
45°
23
67°
50°
24
68°
54°
25
68°
46°
26
67°
44°
27
Hist. Avg.
68°
45°
28
Hist. Avg.
68°
44°
29
Hist. Avg.
67°
44°
30
Hist. Avg.
67°
44°
1
Hist. Avg.
66°
43°
2
Hist. Avg.
66°
43°
3
Hist. Avg.
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Etna
Etna's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 44° and 61°. The average high for September is 75° with an average low of 53°. 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 Etna. See also: October | November | December.
