S
M
T
W
T
F
S
30
65°
51°
31
64°
54°
1
67°
55°
2
68°
55°
3
68°
54°
4
67°
49°
5
66°
49°
6
66°
54°
7
65°
54°
8
67°
52°
9
67°
54°
10
66°
55°
11
67°
55°
12
67°
53°
13
66°
49°
14
62°
50°
15
61°
51°
16
62°
54°
17
63°
53°
18
65°
52°
19
63°
52°
20
64°
53°
21
66°
51°
22
65°
50°
23
60°
48°
24
60°
52°
25
62°
49°
26
61°
49°
27
60°
48°
28
59°
52°
29
62°
51°
30
61°
52°
1
62°
51°
2
63°
48°
3
59°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hartlepool
Hartlepool's September 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 46° and 55°. The average high for September is 64° with an average low of 52°. 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 Hartlepool. See also: October | November | December.
