S
M
T
W
T
F
S
30
97°
61°
31
98°
59°
1
97°
58°
2
95°
57°
3
95°
59°
4
96°
61°
5
97°
63°
6
97°
59°
7
92°
57°
8
90°
59°
9
93°
59°
10
92°
54°
11
90°
54°
12
90°
53°
13
89°
54°
14
89°
52°
15
88°
56°
16
88°
55°
17
92°
54°
18
91°
53°
19
88°
56°
20
92°
56°
21
93°
57°
22
93°
57°
23
94°
57°
24
Hist. Avg.
90°
56°
25
Hist. Avg.
90°
56°
26
Hist. Avg.
90°
56°
27
Hist. Avg.
89°
55°
28
Hist. Avg.
89°
55°
29
Hist. Avg.
88°
55°
30
Hist. Avg.
88°
55°
1
Hist. Avg.
88°
54°
2
Hist. Avg.
87°
54°
3
Hist. Avg.
87°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in August
August's September 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 52° and 63°. The average high for September is 93° 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 August. See also: October | November | December.
