S
M
T
W
T
F
S
30
88°
58°
31
81°
60°
1
81°
61°
2
83°
64°
3
85°
62°
4
82°
63°
5
84°
63°
6
87°
64°
7
85°
62°
8
84°
61°
9
82°
61°
10
83°
59°
11
82°
60°
12
83°
58°
13
Hist. Avg.
83°
63°
14
Hist. Avg.
83°
63°
15
Hist. Avg.
83°
62°
16
Hist. Avg.
82°
62°
17
Hist. Avg.
82°
62°
18
Hist. Avg.
82°
61°
19
Hist. Avg.
81°
61°
20
Hist. Avg.
81°
60°
21
Hist. Avg.
80°
60°
22
Hist. Avg.
80°
60°
23
Hist. Avg.
80°
59°
24
Hist. Avg.
79°
59°
25
Hist. Avg.
79°
58°
26
Hist. Avg.
79°
58°
27
Hist. Avg.
78°
58°
28
Hist. Avg.
78°
57°
29
Hist. Avg.
77°
57°
30
Hist. Avg.
77°
56°
1
Hist. Avg.
77°
56°
2
Hist. Avg.
76°
56°
3
Hist. Avg.
76°
55°
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 81° to 88°, with overnight lows between 58° and 64°. The average high for September is 84° with an average low of 61°. 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.
