S
M
T
W
T
F
S
30
87°
60°
31
91°
67°
1
92°
70°
2
94°
69°
3
95°
72°
4
87°
68°
5
84°
68°
6
80°
59°
7
82°
58°
8
86°
59°
9
90°
71°
10
81°
69°
11
81°
62°
12
80°
64°
13
87°
63°
14
73°
52°
15
86°
68°
16
87°
70°
17
86°
66°
18
79°
57°
19
80°
67°
20
77°
63°
21
78°
63°
22
77°
64°
23
76°
61°
24
74°
55°
25
74°
53°
26
73°
54°
27
72°
53°
28
74°
49°
29
76°
54°
30
75°
55°
1
75°
55°
2
74°
53°
3
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Etna
Etna's September 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 49° and 70°. The average high for September is 77° with an average low of 59°. 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.
