S
M
T
W
T
F
S
30
85°
62°
31
80°
70°
1
92°
72°
2
78°
70°
3
87°
70°
4
87°
70°
5
81°
64°
6
79°
63°
7
79°
60°
8
82°
57°
9
87°
64°
10
86°
71°
11
82°
65°
12
79°
62°
13
84°
68°
14
75°
57°
15
76°
51°
16
85°
57°
17
83°
67°
18
81°
64°
19
73°
60°
20
77°
65°
21
70°
59°
22
63°
56°
23
67°
54°
24
69°
47°
25
74°
49°
26
65°
56°
27
64°
58°
28
69°
60°
29
71°
62°
30
76°
63°
1
82°
62°
2
84°
61°
3
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in York Haven
York Haven's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Haven. See also: October | November | December.