S
M
T
W
T
F
S
30
83°
58°
31
77°
55°
1
76°
55°
2
76°
56°
3
77°
55°
4
76°
55°
5
75°
56°
6
75°
56°
7
73°
61°
8
75°
57°
9
74°
55°
10
74°
54°
11
73°
54°
12
72°
55°
13
73°
57°
14
72°
56°
15
73°
59°
16
72°
53°
17
73°
52°
18
72°
53°
19
72°
60°
20
71°
57°
21
70°
51°
22
69°
49°
23
Hist. Avg.
72°
52°
24
Hist. Avg.
72°
52°
25
Hist. Avg.
72°
51°
26
Hist. Avg.
71°
51°
27
Hist. Avg.
71°
51°
28
Hist. Avg.
70°
50°
29
Hist. Avg.
70°
50°
30
Hist. Avg.
70°
50°
1
Hist. Avg.
69°
49°
2
Hist. Avg.
69°
49°
3
Hist. Avg.
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Ambridge
Ambridge's September 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 49° and 61°. The average high for September is 74° with an average low of 55°. 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.
