S
M
T
W
T
F
S
30
74°
57°
31
77°
62°
1
80°
62°
2
78°
56°
3
75°
56°
4
74°
57°
5
76°
58°
6
75°
58°
7
74°
57°
8
72°
57°
9
74°
54°
10
69°
49°
11
72°
55°
12
73°
55°
13
72°
54°
14
72°
55°
15
71°
53°
16
71°
52°
17
66°
52°
18
70°
51°
19
68°
53°
20
66°
53°
21
70°
54°
22
70°
52°
23
70°
51°
24
62°
49°
25
60°
49°
26
65°
48°
27
66°
49°
28
67°
50°
29
68°
50°
30
67°
49°
1
66°
50°
2
66°
49°
3
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hartley Bay
Hartley Bay's September 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 48° and 62°. The average high for September is 70° with an average low of 53°. 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 Hartley Bay. See also: October | November | December.
