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