S
M
T
W
T
F
S
30
75°
58°
31
77°
59°
1
78°
52°
2
75°
52°
3
75°
53°
4
76°
51°
5
74°
50°
6
76°
57°
7
80°
56°
8
74°
56°
9
79°
55°
10
79°
56°
11
76°
56°
12
78°
55°
13
79°
56°
14
79°
55°
15
78°
54°
16
78°
52°
17
75°
54°
18
71°
55°
19
77°
54°
20
78°
54°
21
77°
46°
22
76°
45°
23
69°
44°
24
Hist. Avg.
73°
50°
25
Hist. Avg.
72°
50°
26
Hist. Avg.
72°
49°
27
Hist. Avg.
71°
49°
28
Hist. Avg.
71°
49°
29
Hist. Avg.
70°
48°
30
Hist. Avg.
70°
48°
1
Hist. Avg.
70°
48°
2
Hist. Avg.
69°
47°
3
Hist. Avg.
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Danville
Danville's September 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 44° and 59°. The average high for September is 76° with an average low of 53°. 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.
