S
M
T
W
T
F
S
30
69°
49°
31
67°
47°
1
64°
52°
2
63°
47°
3
67°
46°
4
61°
52°
5
63°
52°
6
66°
46°
7
67°
45°
8
61°
45°
9
60°
46°
10
61°
51°
11
61°
50°
12
63°
50°
13
65°
51°
14
61°
50°
15
63°
49°
16
64°
47°
17
60°
45°
18
61°
47°
19
60°
43°
20
59°
47°
21
57°
49°
22
63°
43°
23
63°
41°
24
62°
44°
25
55°
46°
26
55°
48°
27
Hist. Avg.
57°
44°
28
Hist. Avg.
57°
43°
29
Hist. Avg.
57°
43°
30
Hist. Avg.
56°
43°
1
Hist. Avg.
56°
43°
2
Hist. Avg.
56°
42°
3
Hist. Avg.
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Red Harbour
Red Harbour's September 2026 forecast shows daily high temperatures ranging from 55° to 69°, with overnight lows between 41° and 52°. The average high for September is 62° 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 Red Harbour. See also: October | November | December.
