S
M
T
W
T
F
S
30
72°
49°
31
75°
51°
1
70°
50°
2
70°
53°
3
72°
53°
4
72°
52°
5
71°
53°
6
72°
53°
7
74°
52°
8
73°
48°
9
72°
46°
10
67°
47°
11
67°
48°
12
71°
47°
13
69°
48°
14
67°
47°
15
66°
50°
16
70°
45°
17
70°
44°
18
68°
44°
19
64°
46°
20
65°
47°
21
67°
48°
22
67°
44°
23
65°
44°
24
65°
47°
25
64°
47°
26
66°
48°
27
66°
46°
28
67°
40°
29
66°
40°
30
59°
42°
1
60°
46°
2
63°
44°
3
62°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Port Hawkesbury
Port Hawkesbury's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 40° and 53°. The average high for September is 68° with an average low of 47°. 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 Port Hawkesbury. See also: October | November | December.
