S
M
T
W
T
F
S
30
78°
65°
31
76°
67°
1
78°
67°
2
79°
66°
3
79°
66°
4
78°
62°
5
75°
61°
6
73°
62°
7
72°
60°
8
71°
61°
9
71°
61°
10
72°
64°
11
73°
64°
12
75°
65°
13
77°
65°
14
77°
63°
15
75°
62°
16
74°
65°
17
75°
66°
18
76°
66°
19
77°
65°
20
78°
66°
21
78°
66°
22
76°
65°
23
73°
62°
24
71°
60°
25
72°
59°
26
70°
61°
27
70°
64°
28
75°
62°
29
73°
61°
30
77°
64°
1
73°
61°
2
73°
59°
3
Hist. Avg.
73°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Encinitas
Encinitas's September 2026 forecast shows daily high temperatures ranging from 70° to 79°, with overnight lows between 59° and 67°. The average high for September is 75° with an average low of 63°. 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 Encinitas. See also: October | November | December.
