S
M
T
W
T
F
S
30
69°
55°
31
70°
54°
1
70°
53°
2
69°
52°
3
68°
51°
4
63°
51°
5
66°
52°
6
68°
51°
7
64°
51°
8
63°
50°
9
68°
52°
10
67°
52°
11
67°
51°
12
68°
52°
13
67°
51°
14
62°
43°
15
64°
43°
16
60°
44°
17
59°
43°
18
57°
42°
19
56°
41°
20
57°
40°
21
57°
41°
22
56°
42°
23
59°
45°
24
62°
38°
25
60°
39°
26
54°
45°
27
58°
45°
28
61°
44°
29
60°
44°
30
60°
43°
1
59°
44°
2
59°
42°
3
58°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gander
Gander's September 2026 forecast shows daily high temperatures ranging from 54° to 70°, with overnight lows between 37° and 55°. The average high for September is 62° with an average low of 46°. 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 Gander. See also: October | November | December.
