S
M
T
W
T
F
S
30
92°
72°
31
90°
72°
1
89°
71°
2
89°
72°
3
90°
71°
4
89°
70°
5
90°
69°
6
92°
71°
7
93°
70°
8
92°
71°
9
92°
70°
10
91°
70°
11
92°
71°
12
92°
70°
13
91°
71°
14
92°
71°
15
90°
72°
16
90°
71°
17
89°
70°
18
88°
69°
19
88°
70°
20
89°
70°
21
87°
68°
22
88°
69°
23
89°
70°
24
90°
68°
25
89°
66°
26
88°
67°
27
89°
69°
28
90°
68°
29
88°
68°
30
89°
69°
1
87°
66°
2
86°
65°
3
Hist. Avg.
87°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in York
York's September 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 65° and 72°. The average high for September is 90° with an average low of 70°. 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. See also: October | November | December.
