S
M
T
W
T
F
S
30
83°
57°
31
79°
53°
1
76°
53°
2
76°
54°
3
77°
54°
4
77°
55°
5
75°
55°
6
74°
59°
7
74°
59°
8
80°
54°
9
74°
53°
10
74°
52°
11
73°
52°
12
73°
54°
13
72°
55°
14
71°
51°
15
72°
57°
16
73°
50°
17
74°
51°
18
73°
51°
19
78°
52°
20
Hist. Avg.
74°
51°
21
Hist. Avg.
74°
51°
22
Hist. Avg.
73°
50°
23
Hist. Avg.
73°
50°
24
Hist. Avg.
73°
49°
25
Hist. Avg.
72°
49°
26
Hist. Avg.
72°
49°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
71°
48°
29
Hist. Avg.
71°
47°
30
Hist. Avg.
70°
47°
1
Hist. Avg.
70°
46°
2
Hist. Avg.
70°
46°
3
Hist. Avg.
69°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chili
Chili's September 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 50° and 59°. The average high for September is 75° with an average low of 54°. 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.
