S
M
T
W
T
F
S
30
73°
54°
31
75°
54°
1
76°
51°
2
75°
50°
3
72°
49°
4
71°
48°
5
71°
49°
6
72°
51°
7
72°
53°
8
74°
49°
9
73°
49°
10
72°
50°
11
72°
52°
12
73°
54°
13
74°
54°
14
77°
52°
15
78°
53°
16
78°
55°
17
77°
54°
18
78°
54°
19
78°
52°
20
77°
53°
21
77°
52°
22
76°
51°
23
74°
51°
24
75°
52°
25
78°
53°
26
73°
52°
27
75°
50°
28
Hist. Avg.
77°
50°
29
Hist. Avg.
77°
50°
30
Hist. Avg.
77°
50°
1
Hist. Avg.
77°
50°
2
Hist. Avg.
77°
50°
3
Hist. Avg.
77°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Nipomo
Nipomo's September 2026 forecast shows daily high temperatures ranging from 71° to 78°, with overnight lows between 48° and 55°. The average high for September is 75° 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 Nipomo. See also: October | November | December.
