S
M
T
W
T
F
S
30
74°
54°
31
74°
50°
1
74°
49°
2
71°
50°
3
70°
51°
4
73°
48°
5
68°
48°
6
67°
53°
7
72°
52°
8
72°
53°
9
71°
51°
10
70°
50°
11
69°
49°
12
69°
49°
13
68°
50°
14
69°
49°
15
69°
48°
16
68°
48°
17
65°
47°
18
65°
49°
19
68°
48°
20
68°
47°
21
67°
47°
22
67°
46°
23
65°
47°
24
66°
46°
25
65°
45°
26
64°
45°
27
63°
44°
28
65°
42°
29
64°
43°
30
61°
44°
1
60°
43°
2
62°
40°
3
62°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pleasant Hill
Pleasant Hill's September 2026 forecast shows daily high temperatures ranging from 60° to 74°, with overnight lows between 38° and 54°. The average high for September is 68° with an average low of 48°. 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 Pleasant Hill. See also: October | November | December.
