S
M
T
W
T
F
S
30
78°
66°
31
78°
71°
1
80°
68°
2
73°
66°
3
86°
69°
4
86°
76°
5
81°
69°
6
74°
63°
7
80°
60°
8
82°
65°
9
80°
66°
10
88°
72°
11
79°
67°
12
77°
62°
13
80°
71°
14
77°
62°
15
70°
56°
16
78°
68°
17
80°
71°
18
82°
60°
19
72°
63°
20
70°
61°
21
72°
58°
22
67°
57°
23
68°
60°
24
74°
59°
25
75°
58°
26
74°
58°
27
74°
57°
28
75°
57°
29
74°
55°
30
71°
53°
1
70°
55°
2
76°
59°
3
69°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hempstead
Hempstead's September 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 53° and 71°. The average high for September is 73° with an average low of 59°. 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 Hempstead. See also: October | November | December.
