S
M
T
W
T
F
S
30
79°
58°
31
72°
50°
1
77°
48°
2
84°
50°
3
79°
59°
4
84°
54°
5
81°
64°
6
88°
63°
7
81°
55°
8
70°
53°
9
72°
50°
10
81°
50°
11
62°
45°
12
57°
39°
13
57°
43°
14
54°
41°
15
62°
42°
16
63°
38°
17
60°
40°
18
67°
44°
19
66°
43°
20
70°
44°
21
65°
42°
22
72°
49°
23
60°
48°
24
64°
48°
25
71°
49°
26
71°
49°
27
70°
47°
28
68°
46°
29
58°
42°
30
55°
38°
1
55°
40°
2
54°
39°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ambrose
Ambrose's September 2026 forecast shows daily high temperatures ranging from 54° to 81°, with overnight lows between 38° and 53°. The average high for September is 64° with an average low of 44°. 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 Ambrose. See also: October | November | December.