S
M
T
W
T
F
S
30
70°
59°
31
64°
57°
1
68°
55°
2
64°
59°
3
68°
60°
4
66°
58°
5
64°
56°
6
70°
59°
7
65°
55°
8
61°
53°
9
63°
53°
10
63°
57°
11
63°
53°
12
62°
54°
13
64°
55°
14
65°
54°
15
63°
51°
16
63°
52°
17
63°
52°
18
64°
53°
19
61°
52°
20
63°
53°
21
64°
53°
22
64°
52°
23
63°
52°
24
64°
50°
25
60°
47°
26
60°
46°
27
61°
46°
28
62°
47°
29
61°
50°
30
60°
48°
1
59°
50°
2
62°
49°
3
61°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Galgate
Galgate's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 46° and 59°. The average high for September is 63° with an average low of 52°. 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 Galgate. See also: October | November | December.