S
M
T
W
T
F
S
30
79°
55°
31
81°
59°
1
83°
54°
2
79°
55°
3
78°
61°
4
84°
62°
5
84°
62°
6
83°
59°
7
78°
55°
8
77°
54°
9
79°
60°
10
80°
60°
11
79°
59°
12
79°
60°
13
82°
56°
14
75°
51°
15
74°
51°
16
74°
50°
17
75°
53°
18
77°
57°
19
81°
57°
20
82°
58°
21
74°
53°
22
79°
56°
23
75°
56°
24
80°
49°
25
72°
47°
26
71°
53°
27
71°
48°
28
Hist. Avg.
73°
52°
29
Hist. Avg.
73°
51°
30
Hist. Avg.
72°
51°
1
Hist. Avg.
72°
50°
2
Hist. Avg.
72°
50°
3
Hist. Avg.
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Galena
Galena's September 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 47° and 62°. The average high for September is 78° with an average low of 56°. 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 Galena. See also: October | November | December.
