S
M
T
W
T
F
S
30
87°
57°
31
88°
56°
1
86°
55°
2
89°
57°
3
91°
57°
4
85°
56°
5
86°
57°
6
85°
55°
7
90°
57°
8
91°
57°
9
91°
58°
10
90°
58°
11
91°
57°
12
88°
57°
13
84°
55°
14
84°
54°
15
84°
55°
16
87°
56°
17
89°
57°
18
91°
56°
19
90°
55°
20
90°
55°
21
89°
54°
22
89°
55°
23
86°
54°
24
85°
54°
25
87°
53°
26
88°
54°
27
88°
54°
28
87°
53°
29
84°
50°
30
86°
53°
1
83°
48°
2
78°
45°
3
78°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hopland
Hopland's September 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 45° and 58°. The average high for September is 87° with an average low of 55°. 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 Hopland. See also: October | November | December.
