S
M
T
W
T
F
S
30
63°
48°
31
66°
54°
1
70°
52°
2
62°
55°
3
63°
52°
4
63°
49°
5
63°
53°
6
62°
53°
7
63°
51°
8
65°
52°
9
66°
53°
10
65°
52°
11
66°
53°
12
63°
52°
13
64°
52°
14
65°
51°
15
64°
52°
16
65°
48°
17
61°
46°
18
61°
45°
19
61°
45°
20
66°
50°
21
67°
51°
22
67°
51°
23
61°
49°
24
61°
44°
25
65°
47°
26
68°
51°
27
69°
51°
28
68°
50°
29
68°
51°
30
67°
50°
1
68°
51°
2
69°
51°
3
67°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Westhaven-Moonstone
Westhaven-Moonstone's September 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 44° and 53°. The average high for September is 65° with an average low of 50°. 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 Westhaven-Moonstone. See also: October | November | December.
