S
M
T
W
T
F
S
30
75°
55°
31
74°
53°
1
73°
55°
2
74°
55°
3
73°
57°
4
73°
55°
5
75°
55°
6
74°
54°
7
72°
52°
8
73°
50°
9
72°
57°
10
72°
52°
11
71°
51°
12
71°
50°
13
73°
56°
14
76°
54°
15
73°
56°
16
77°
57°
17
77°
56°
18
76°
55°
19
76°
55°
20
75°
48°
21
68°
52°
22
69°
52°
23
68°
54°
24
70°
53°
25
67°
49°
26
72°
45°
27
72°
45°
28
63°
46°
29
62°
46°
30
62°
44°
1
Hist. Avg.
68°
48°
2
Hist. Avg.
67°
48°
3
Hist. Avg.
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chili
Chili's September 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 44° and 57°. The average high for September is 72° with an average low of 52°. 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 Chili. See also: October | November | December.
