S
M
T
W
T
F
S
30
73°
59°
31
72°
55°
1
70°
54°
2
68°
59°
3
77°
64°
4
68°
55°
5
72°
52°
6
79°
55°
7
73°
61°
8
63°
54°
9
N/A
10
67°
58°
11
72°
50°
12
70°
60°
13
71°
55°
14
73°
61°
15
73°
54°
16
68°
53°
17
67°
52°
18
68°
53°
19
71°
55°
20
69°
53°
21
70°
54°
22
68°
53°
23
68°
52°
24
67°
51°
25
65°
50°
26
64°
50°
27
66°
52°
28
65°
46°
29
60°
45°
30
59°
45°
1
59°
50°
2
63°
51°
3
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Petworth
Petworth's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 45° and 61°. The average high for September is 67° with an average low of 52°. 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 Petworth. See also: October | November | December.
