S
M
T
W
T
F
S
30
89°
68°
31
91°
70°
1
88°
70°
2
88°
64°
3
87°
63°
4
86°
63°
5
86°
65°
6
87°
68°
7
92°
70°
8
90°
70°
9
91°
69°
10
90°
69°
11
89°
68°
12
86°
68°
13
90°
63°
14
91°
61°
15
86°
61°
16
85°
62°
17
84°
61°
18
85°
62°
19
86°
61°
20
89°
64°
21
89°
65°
22
83°
65°
23
83°
64°
24
84°
65°
25
82°
64°
26
85°
64°
27
87°
62°
28
86°
63°
29
86°
63°
30
85°
62°
1
87°
62°
2
86°
60°
3
87°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nat
Nat's September 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 56° and 70°. The average high for September is 87° with an average low of 64°. 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 Nat. See also: October | November | December.
