S
M
T
W
T
F
S
30
76°
54°
31
76°
57°
1
75°
59°
2
74°
52°
3
74°
50°
4
73°
58°
5
73°
60°
6
82°
58°
7
83°
59°
8
82°
56°
9
81°
54°
10
72°
57°
11
72°
56°
12
73°
58°
13
81°
53°
14
81°
52°
15
Hist. Avg.
73°
52°
16
Hist. Avg.
73°
52°
17
Hist. Avg.
73°
51°
18
Hist. Avg.
72°
51°
19
Hist. Avg.
72°
50°
20
Hist. Avg.
72°
50°
21
Hist. Avg.
71°
50°
22
Hist. Avg.
71°
49°
23
Hist. Avg.
70°
49°
24
Hist. Avg.
70°
48°
25
Hist. Avg.
70°
48°
26
Hist. Avg.
69°
48°
27
Hist. Avg.
69°
47°
28
Hist. Avg.
68°
47°
29
Hist. Avg.
68°
46°
30
Hist. Avg.
67°
46°
1
Hist. Avg.
67°
46°
2
Hist. Avg.
66°
45°
3
Hist. Avg.
66°
45°
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 72° to 83°, with overnight lows between 50° and 60°. The average high for September is 77° 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.
