S
M
T
W
T
F
S
30
84°
68°
31
84°
68°
1
83°
63°
2
77°
60°
3
76°
60°
4
76°
61°
5
77°
59°
6
81°
64°
7
83°
66°
8
82°
66°
9
79°
65°
10
82°
66°
11
83°
66°
12
82°
65°
13
83°
67°
14
82°
57°
15
75°
57°
16
72°
58°
17
75°
57°
18
73°
55°
19
74°
56°
20
73°
56°
21
79°
58°
22
79°
62°
23
78°
54°
24
79°
53°
25
73°
53°
26
71°
55°
27
75°
60°
28
75°
60°
29
77°
52°
30
73°
53°
1
69°
57°
2
70°
58°
3
74°
57°
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 69° to 84°, with overnight lows between 52° and 68°. The average high for September is 77° with an average low of 60°. 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.
