S
M
T
W
T
F
S
30
71°
50°
31
70°
54°
1
70°
54°
2
74°
46°
3
73°
53°
4
76°
59°
5
80°
56°
6
79°
50°
7
82°
51°
8
87°
54°
9
105°
67°
10
93°
63°
11
77°
58°
12
75°
58°
13
82°
54°
14
83°
53°
15
69°
54°
16
68°
51°
17
68°
53°
18
71°
54°
19
74°
55°
20
72°
56°
21
71°
55°
22
72°
53°
23
73°
55°
24
74°
54°
25
77°
52°
26
78°
53°
27
76°
53°
28
73°
52°
29
76°
53°
30
72°
53°
1
72°
52°
2
70°
53°
3
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nipomo
Nipomo's September 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 51° and 56°. The average high for September is 73° with an average low of 53°. 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.
