S
M
T
W
T
F
S
30
101°
76°
31
101°
72°
1
99°
73°
2
86°
76°
3
94°
75°
4
98°
71°
5
93°
74°
6
96°
73°
7
100°
73°
8
96°
74°
9
97°
74°
10
98°
73°
11
96°
74°
12
95°
76°
13
96°
76°
14
98°
73°
15
99°
72°
16
98°
73°
17
96°
72°
18
97°
71°
19
88°
63°
20
89°
64°
21
88°
63°
22
88°
63°
23
91°
69°
24
91°
69°
25
91°
67°
26
91°
68°
27
90°
67°
28
90°
66°
29
89°
66°
30
86°
65°
1
87°
65°
2
88°
64°
3
88°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Henderson
Henderson's September 2026 forecast shows daily high temperatures ranging from 86° to 99°, with overnight lows between 63° and 76°. The average high for September is 92° with an average low of 69°. 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 Henderson. See also: October | November | December.
