S
M
T
W
T
F
S
30
87°
66°
31
87°
66°
1
86°
65°
2
87°
65°
3
84°
61°
4
80°
61°
5
80°
58°
6
83°
59°
7
86°
64°
8
86°
64°
9
85°
63°
10
87°
65°
11
87°
65°
12
86°
64°
13
85°
64°
14
85°
62°
15
86°
62°
16
85°
56°
17
80°
60°
18
84°
59°
19
85°
60°
20
84°
59°
21
85°
60°
22
84°
57°
23
79°
53°
24
75°
58°
25
78°
57°
26
81°
58°
27
82°
57°
28
81°
57°
29
80°
56°
30
79°
55°
1
80°
56°
2
81°
47°
3
77°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Advance
Advance's September 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 46° and 66°. The average high for September is 83° with an average low of 60°. 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 Advance. See also: October | November | December.
