S
M
T
W
T
F
S
30
102°
82°
31
99°
81°
1
99°
77°
2
99°
72°
3
95°
66°
4
97°
72°
5
100°
68°
6
82°
72°
7
97°
68°
8
102°
82°
9
107°
82°
10
109°
86°
11
107°
83°
12
106°
80°
13
100°
73°
14
98°
74°
15
99°
76°
16
97°
75°
17
96°
75°
18
99°
76°
19
97°
75°
20
97°
73°
21
93°
69°
22
85°
63°
23
86°
63°
24
86°
64°
25
87°
63°
26
87°
63°
27
88°
64°
28
87°
63°
29
90°
61°
30
82°
59°
1
82°
60°
2
83°
60°
3
85°
61°
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 82° to 109°, with overnight lows between 59° and 86°. The average high for September is 94° with an average low of 70°. 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.
