S
M
T
W
T
F
S
30
90°
72°
31
92°
72°
1
94°
71°
2
96°
72°
3
97°
74°
4
96°
74°
5
97°
71°
6
99°
72°
7
91°
72°
8
89°
72°
9
92°
69°
10
95°
70°
11
91°
73°
12
86°
72°
13
89°
71°
14
94°
70°
15
91°
71°
16
89°
73°
17
90°
70°
18
82°
64°
19
81°
61°
20
84°
64°
21
84°
65°
22
82°
66°
23
82°
59°
24
86°
65°
25
85°
64°
26
85°
63°
27
84°
62°
28
85°
63°
29
85°
63°
30
84°
62°
1
79°
61°
2
80°
60°
3
83°
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 79° to 95°, with overnight lows between 59° and 73°. The average high for September is 86° with an average low of 66°. 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.
