S
M
T
W
T
F
S
30
80°
59°
31
79°
57°
1
80°
56°
2
79°
56°
3
78°
54°
4
78°
55°
5
79°
60°
6
78°
60°
7
78°
59°
8
79°
56°
9
78°
56°
10
79°
62°
11
81°
62°
12
83°
61°
13
83°
54°
14
78°
61°
15
81°
60°
16
81°
59°
17
80°
60°
18
82°
57°
19
79°
56°
20
79°
50°
21
82°
49°
22
74°
47°
23
73°
55°
24
78°
57°
25
Hist. Avg.
75°
51°
26
Hist. Avg.
74°
50°
27
Hist. Avg.
74°
50°
28
Hist. Avg.
74°
50°
29
Hist. Avg.
73°
49°
30
Hist. Avg.
73°
49°
1
Hist. Avg.
72°
48°
2
Hist. Avg.
72°
48°
3
Hist. Avg.
71°
48°
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 73° to 83°, with overnight lows between 47° and 62°. The average high for September is 79° with an average low of 57°. 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.
