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°
68°
11
90°
72°
12
85°
69°
13
91°
67°
14
94°
70°
15
95°
74°
16
91°
70°
17
90°
70°
18
86°
67°
19
84°
61°
20
83°
61°
21
82°
60°
22
84°
61°
23
84°
64°
24
82°
59°
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 74°. The average high for September is 86° with an average low of 65°. 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.
