S
M
T
W
T
F
S
30
95°
75°
31
96°
76°
1
95°
75°
2
95°
76°
3
96°
74°
4
96°
74°
5
95°
74°
6
93°
75°
7
Hist. Avg.
94°
74°
8
Hist. Avg.
94°
74°
9
Hist. Avg.
93°
74°
10
Hist. Avg.
93°
74°
11
Hist. Avg.
93°
74°
12
Hist. Avg.
92°
74°
13
Hist. Avg.
92°
73°
14
Hist. Avg.
92°
73°
15
Hist. Avg.
92°
73°
16
Hist. Avg.
92°
73°
17
Hist. Avg.
92°
73°
18
Hist. Avg.
91°
72°
19
Hist. Avg.
91°
72°
20
Hist. Avg.
91°
72°
21
Hist. Avg.
91°
72°
22
Hist. Avg.
91°
72°
23
Hist. Avg.
90°
71°
24
Hist. Avg.
90°
71°
25
Hist. Avg.
90°
71°
26
Hist. Avg.
90°
71°
27
Hist. Avg.
90°
71°
28
Hist. Avg.
90°
70°
29
Hist. Avg.
90°
70°
30
Hist. Avg.
90°
70°
1
Hist. Avg.
89°
70°
2
Hist. Avg.
89°
69°
3
Hist. Avg.
89°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Laguna Seca
Laguna Seca's September 2026 forecast shows daily high temperatures ranging from 93° to 96°, with overnight lows between 74° and 76°. The average high for September is 95° with an average low of 75°. 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 Laguna Seca. See also: October | November | December.
