S
M
T
W
T
F
S
30
76°
49°
31
82°
44°
1
75°
44°
2
71°
42°
3
71°
43°
4
72°
44°
5
73°
49°
6
79°
55°
7
82°
45°
8
79°
44°
9
71°
44°
10
71°
45°
11
72°
51°
12
80°
42°
13
70°
42°
14
70°
52°
15
79°
52°
16
83°
43°
17
75°
41°
18
68°
44°
19
69°
42°
20
75°
45°
21
67°
48°
22
76°
52°
23
78°
38°
24
78°
38°
25
64°
46°
26
67°
47°
27
74°
48°
28
71°
49°
29
75°
49°
30
76°
43°
1
75°
36°
2
71°
37°
3
62°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Piedmont
Piedmont's September 2026 forecast shows daily high temperatures ranging from 62° to 83°, with overnight lows between 33° and 55°. The average high for September is 74° with an average low of 45°. 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 Piedmont. See also: October | November | December.
