S
M
T
W
T
F
S
30
70°
47°
31
69°
48°
1
72°
49°
2
73°
52°
3
73°
52°
4
71°
47°
5
69°
46°
6
67°
48°
7
70°
50°
8
72°
47°
9
72°
52°
10
71°
51°
11
72°
52°
12
71°
48°
13
69°
44°
14
66°
50°
15
65°
49°
16
66°
51°
17
66°
51°
18
69°
50°
19
68°
50°
20
68°
49°
21
70°
46°
22
68°
44°
23
63°
43°
24
63°
43°
25
64°
45°
26
65°
46°
27
64°
45°
28
62°
49°
29
65°
48°
30
66°
48°
1
65°
47°
2
66°
47°
3
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harold Hill
Harold Hill's September 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 43° and 52°. The average high for September is 68° with an average low of 48°. 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 Harold Hill. See also: October | November | December.
