S
M
T
W
T
F
S
30
89°
59°
31
81°
63°
1
81°
66°
2
82°
58°
3
86°
62°
4
87°
66°
5
88°
63°
6
88°
57°
7
79°
56°
8
79°
56°
9
80°
58°
10
85°
62°
11
85°
57°
12
78°
57°
13
77°
55°
14
78°
61°
15
83°
60°
16
85°
53°
17
77°
52°
18
75°
52°
19
75°
53°
20
76°
55°
21
73°
55°
22
73°
52°
23
74°
56°
24
73°
56°
25
78°
59°
26
79°
58°
27
80°
50°
28
77°
56°
29
75°
57°
30
78°
57°
1
71°
55°
2
73°
51°
3
70°
47°
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 70° to 89°, with overnight lows between 47° and 66°. The average high for September is 79° with an average low of 57°. 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.
