S
M
T
W
T
F
S
30
94°
70°
31
93°
69°
1
93°
69°
2
92°
66°
3
91°
65°
4
89°
68°
5
90°
67°
6
91°
66°
7
90°
67°
8
89°
68°
9
90°
68°
10
90°
67°
11
89°
66°
12
85°
65°
13
83°
65°
14
83°
64°
15
84°
65°
16
83°
65°
17
83°
64°
18
82°
59°
19
81°
57°
20
80°
56°
21
79°
57°
22
80°
60°
23
82°
63°
24
84°
61°
25
85°
62°
26
84°
59°
27
83°
60°
28
78°
57°
29
81°
55°
30
82°
60°
1
85°
60°
2
Hist. Avg.
81°
57°
3
Hist. Avg.
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Weeks
Weeks's September 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 55° and 70°. The average high for September is 86° with an average low of 63°. 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 Weeks. See also: October | November | December.
