S
M
T
W
T
F
S
30
84°
67°
31
88°
72°
1
93°
73°
2
93°
74°
3
94°
74°
4
94°
73°
5
83°
66°
6
79°
62°
7
81°
58°
8
85°
62°
9
90°
72°
10
82°
66°
11
81°
61°
12
80°
69°
13
88°
61°
14
73°
52°
15
88°
58°
16
89°
71°
17
85°
69°
18
76°
66°
19
80°
63°
20
82°
65°
21
65°
56°
22
66°
57°
23
61°
57°
24
68°
44°
25
70°
49°
26
72°
48°
27
70°
47°
28
73°
52°
29
74°
57°
30
74°
62°
1
70°
55°
2
67°
53°
3
68°
50°
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 67° to 74°, with overnight lows between 44° and 62°. The average high for September is 71° 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 Pleasant Hill. See also: October | November | December.
