S
M
T
W
T
F
S
30
73°
58°
31
74°
53°
1
71°
54°
2
68°
49°
3
66°
49°
4
69°
52°
5
70°
56°
6
71°
56°
7
65°
53°
8
69°
51°
9
69°
50°
10
71°
53°
11
71°
55°
12
70°
55°
13
71°
56°
14
72°
53°
15
69°
46°
16
64°
45°
17
62°
51°
18
61°
53°
19
71°
52°
20
68°
47°
21
70°
43°
22
69°
41°
23
68°
46°
24
68°
51°
25
Hist. Avg.
63°
45°
26
Hist. Avg.
63°
44°
27
Hist. Avg.
62°
44°
28
Hist. Avg.
62°
44°
29
Hist. Avg.
62°
43°
30
Hist. Avg.
61°
43°
1
Hist. Avg.
61°
43°
2
Hist. Avg.
60°
42°
3
Hist. Avg.
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Dillon
Dillon's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 41° and 58°. The average high for September is 69° with an average low of 51°. 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 Dillon. See also: October | November | December.
