S
M
T
W
T
F
S
30
74°
72°
31
72°
69°
1
71°
66°
2
75°
60°
3
76°
61°
4
76°
62°
5
81°
69°
6
81°
71°
7
81°
69°
8
79°
68°
9
77°
69°
10
76°
68°
11
73°
68°
12
74°
67°
13
73°
66°
14
73°
66°
15
75°
63°
16
78°
67°
17
78°
67°
18
71°
60°
19
72°
62°
20
73°
64°
21
76°
66°
22
75°
66°
23
75°
65°
24
73°
64°
25
73°
65°
26
77°
66°
27
78°
67°
28
77°
66°
29
77°
65°
30
76°
66°
1
77°
65°
2
75°
65°
3
74°
64°
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 71° to 81°, with overnight lows between 60° and 71°. The average high for September is 76° with an average low of 66°. 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.
