S
M
T
W
T
F
S
30
96°
62°
31
97°
70°
1
100°
69°
2
100°
69°
3
102°
70°
4
102°
71°
5
103°
71°
6
92°
74°
7
88°
60°
8
94°
60°
9
99°
73°
10
81°
73°
11
87°
70°
12
92°
69°
13
94°
67°
14
88°
66°
15
97°
72°
16
98°
70°
17
98°
70°
18
92°
68°
19
94°
70°
20
95°
64°
21
84°
61°
22
78°
58°
23
79°
57°
24
77°
59°
25
78°
57°
26
81°
60°
27
79°
59°
28
78°
53°
29
81°
59°
30
82°
60°
1
82°
60°
2
81°
59°
3
81°
60°
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 77° to 98°, with overnight lows between 53° and 72°. The average high for September is 85° with an average low of 62°. 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.
