S
M
T
W
T
F
S
30
85°
62°
31
84°
68°
1
88°
73°
2
92°
71°
3
89°
68°
4
81°
67°
5
79°
65°
6
79°
59°
7
79°
58°
8
85°
69°
9
87°
70°
10
74°
59°
11
80°
57°
12
82°
67°
13
83°
66°
14
84°
71°
15
81°
65°
16
75°
61°
17
73°
62°
18
70°
55°
19
67°
52°
20
72°
55°
21
71°
54°
22
72°
59°
23
72°
58°
24
76°
58°
25
77°
59°
26
77°
58°
27
75°
57°
28
77°
59°
29
77°
59°
30
76°
58°
1
77°
58°
2
74°
52°
3
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ambridge
Ambridge's September 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 49° and 71°. The average high for September is 76° with an average low of 60°. 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 Ambridge. See also: October | November | December.
