S
M
T
W
T
F
S
30
74°
53°
31
74°
54°
1
75°
59°
2
76°
59°
3
78°
58°
4
75°
60°
5
80°
59°
6
81°
60°
7
81°
59°
8
80°
58°
9
76°
57°
10
77°
58°
11
78°
59°
12
76°
57°
13
71°
56°
14
72°
55°
15
71°
56°
16
70°
55°
17
71°
55°
18
74°
54°
19
75°
54°
20
74°
53°
21
79°
54°
22
79°
44°
23
73°
43°
24
69°
47°
25
70°
48°
26
66°
53°
27
74°
51°
28
72°
52°
29
76°
51°
30
77°
51°
1
76°
50°
2
75°
50°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Danville
Danville's September 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 43° and 60°. 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 Danville. See also: October | November | December.
