S
M
T
W
T
F
S
30
90°
66°
31
90°
68°
1
89°
68°
2
90°
67°
3
90°
67°
4
89°
68°
5
90°
67°
6
89°
66°
7
88°
64°
8
82°
64°
9
81°
65°
10
80°
66°
11
87°
65°
12
86°
65°
13
88°
64°
14
87°
64°
15
86°
63°
16
78°
57°
17
78°
55°
18
77°
59°
19
82°
54°
20
77°
54°
21
75°
55°
22
75°
54°
23
77°
60°
24
82°
61°
25
82°
61°
26
83°
60°
27
82°
59°
28
80°
56°
29
79°
55°
30
80°
55°
1
79°
54°
2
80°
56°
3
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mascot
Mascot's September 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 54° and 68°. The average high for September is 83° with an average low of 61°. 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 Mascot. See also: October | November | December.
