S
M
T
W
T
F
S
30
92°
58°
31
85°
60°
1
68°
52°
2
69°
55°
3
67°
46°
4
75°
47°
5
82°
50°
6
80°
51°
7
87°
55°
8
90°
57°
9
87°
61°
10
88°
58°
11
83°
54°
12
84°
57°
13
86°
59°
14
85°
59°
15
87°
60°
16
86°
54°
17
88°
56°
18
84°
57°
19
88°
57°
20
88°
56°
21
87°
57°
22
87°
56°
23
81°
56°
24
84°
55°
25
86°
56°
26
87°
57°
27
88°
57°
28
87°
56°
29
86°
56°
30
85°
55°
1
86°
56°
2
84°
55°
3
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lakeport
Lakeport's September 2026 forecast shows daily high temperatures ranging from 67° to 90°, with overnight lows between 46° and 61°. The average high for September is 85° 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 Lakeport. See also: October | November | December.
