S
M
T
W
T
F
S
30
73°
56°
31
74°
59°
1
79°
60°
2
80°
57°
3
79°
52°
4
78°
58°
5
78°
53°
6
77°
52°
7
71°
55°
8
70°
57°
9
70°
52°
10
76°
49°
11
70°
56°
12
72°
51°
13
76°
51°
14
71°
49°
15
68°
55°
16
69°
48°
17
68°
47°
18
Hist. Avg.
71°
51°
19
Hist. Avg.
71°
51°
20
Hist. Avg.
70°
50°
21
Hist. Avg.
70°
50°
22
Hist. Avg.
69°
49°
23
Hist. Avg.
69°
49°
24
Hist. Avg.
68°
49°
25
Hist. Avg.
68°
48°
26
Hist. Avg.
68°
48°
27
Hist. Avg.
67°
47°
28
Hist. Avg.
67°
47°
29
Hist. Avg.
66°
47°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
66°
46°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in York Harbor
York Harbor's September 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 47° and 60°. The average high for September is 74° with an average low of 54°. 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 York Harbor. See also: October | November | December.
