S
M
T
W
T
F
S
30
65°
52°
31
65°
51°
1
64°
53°
2
65°
47°
3
65°
53°
4
64°
53°
5
66°
52°
6
66°
51°
7
65°
52°
8
65°
51°
9
63°
47°
10
64°
46°
11
60°
50°
12
61°
52°
13
63°
50°
14
64°
51°
15
63°
50°
16
63°
51°
17
62°
51°
18
63°
49°
19
63°
46°
20
61°
45°
21
61°
50°
22
60°
48°
23
62°
45°
24
59°
48°
25
58°
49°
26
61°
50°
27
60°
49°
28
60°
49°
29
59°
48°
30
61°
48°
1
60°
49°
2
60°
48°
3
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dalgety Bay
Dalgety Bay's September 2026 forecast shows daily high temperatures ranging from 58° to 66°, with overnight lows between 45° and 53°. The average high for September is 62° with an average low of 49°. 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 Dalgety Bay. See also: October | November | December.