S
M
T
W
T
F
S
30
81°
60°
31
81°
60°
1
82°
59°
2
82°
59°
3
80°
55°
4
81°
51°
5
79°
58°
6
78°
57°
7
79°
58°
8
Hist. Avg.
74°
56°
9
Hist. Avg.
73°
56°
10
Hist. Avg.
73°
55°
11
Hist. Avg.
73°
55°
12
Hist. Avg.
72°
55°
13
Hist. Avg.
72°
54°
14
Hist. Avg.
72°
54°
15
Hist. Avg.
71°
54°
16
Hist. Avg.
71°
53°
17
Hist. Avg.
70°
53°
18
Hist. Avg.
70°
52°
19
Hist. Avg.
70°
52°
20
Hist. Avg.
69°
52°
21
Hist. Avg.
69°
51°
22
Hist. Avg.
68°
51°
23
Hist. Avg.
68°
51°
24
Hist. Avg.
68°
50°
25
Hist. Avg.
67°
50°
26
Hist. Avg.
67°
49°
27
Hist. Avg.
66°
49°
28
Hist. Avg.
66°
49°
29
Hist. Avg.
65°
48°
30
Hist. Avg.
65°
48°
1
Hist. Avg.
65°
48°
2
Hist. Avg.
64°
47°
3
Hist. Avg.
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Webster Square
Webster Square's September 2026 forecast shows daily high temperatures ranging from 78° to 82°, with overnight lows between 51° and 60°. The average high for September is 80° with an average low of 57°. 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 Webster Square. See also: October | November | December.
