S
M
T
W
T
F
S
30
75°
54°
31
75°
50°
1
74°
49°
2
72°
50°
3
71°
51°
4
74°
48°
5
69°
47°
6
68°
53°
7
73°
52°
8
73°
53°
9
72°
51°
10
71°
50°
11
70°
49°
12
70°
49°
13
69°
50°
14
70°
49°
15
70°
48°
16
69°
48°
17
66°
47°
18
66°
49°
19
69°
48°
20
69°
47°
21
68°
47°
22
67°
46°
23
66°
47°
24
67°
46°
25
66°
45°
26
63°
44°
27
64°
45°
28
66°
42°
29
65°
43°
30
60°
44°
1
61°
43°
2
63°
40°
3
62°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mulgrave
Mulgrave's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 38° and 54°. The average high for September is 68° with an average low of 47°. 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 Mulgrave. See also: October | November | December.