S
M
T
W
T
F
S
30
82°
52°
31
82°
52°
1
81°
49°
2
80°
47°
3
80°
47°
4
77°
49°
5
75°
42°
6
73°
49°
7
76°
50°
8
80°
51°
9
80°
50°
10
72°
43°
11
70°
46°
12
75°
46°
13
78°
51°
14
79°
50°
15
80°
46°
16
73°
41°
17
70°
44°
18
75°
45°
19
78°
47°
20
Hist. Avg.
76°
53°
21
Hist. Avg.
75°
53°
22
Hist. Avg.
75°
53°
23
Hist. Avg.
75°
52°
24
Hist. Avg.
74°
52°
25
Hist. Avg.
74°
52°
26
Hist. Avg.
73°
52°
27
Hist. Avg.
73°
51°
28
Hist. Avg.
72°
51°
29
Hist. Avg.
72°
51°
30
Hist. Avg.
72°
51°
1
Hist. Avg.
71°
50°
2
Hist. Avg.
71°
50°
3
Hist. Avg.
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Amboy
Amboy's September 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 41° and 52°. The average high for September is 77° with an average low of 47°. 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 Amboy. See also: October | November | December.
