S
M
T
W
T
F
S
30
70°
54°
31
71°
55°
1
67°
57°
2
71°
56°
3
72°
53°
4
70°
55°
5
71°
55°
6
69°
54°
7
71°
55°
8
71°
55°
9
70°
54°
10
71°
55°
11
71°
55°
12
70°
54°
13
71°
53°
14
70°
54°
15
70°
52°
16
68°
47°
17
69°
46°
18
62°
51°
19
66°
53°
20
69°
52°
21
67°
51°
22
69°
46°
23
67°
47°
24
Hist. Avg.
62°
44°
25
Hist. Avg.
62°
44°
26
Hist. Avg.
62°
43°
27
Hist. Avg.
61°
43°
28
Hist. Avg.
61°
43°
29
Hist. Avg.
61°
43°
30
Hist. Avg.
61°
42°
1
Hist. Avg.
60°
42°
2
Hist. Avg.
60°
42°
3
Hist. Avg.
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in East River Sheet Harbour
East River Sheet Harbour's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 46° and 57°. The average high for September is 69° 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 East River Sheet Harbour. See also: October | November | December.
