S
M
T
W
T
F
S
31
28°
22°
1
29°
24°
2
32°
26°
3
34°
31°
4
31°
24°
5
33°
25°
6
33°
25°
7
38°
24°
8
34°
26°
9
36°
31°
10
34°
30°
11
30°
25°
12
31°
25°
13
32°
27°
14
33°
18°
15
31°
18°
16
28°
24°
17
30°
25°
18
33°
24°
19
35°
31°
20
33°
29°
21
32°
24°
22
28°
24°
23
29°
22°
24
30°
22°
25
28°
25°
26
27°
22°
27
26°
17°
28
19°
8°
29
23°
13°
30
28°
19°
1
30°
27°
2
29°
20°
3
22°
12°
4
20°
5°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mould Bay
Mould Bay's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Mould Bay. See also: October | November | December.