07.09
mon
mon
Day
93°F
SE 5 mph
Precip.
11%
11%
Night
81°F
E 1 mph
Precip.
4%
4%
08.09
tue
tue
Day
93°F
E 6 mph
Precip.
1%
1%
Night
84°F
N 4 mph
Precip.
0%
0%
09.09
wed
wed
Day
99°F
E 6 mph
Precip.
1%
1%
Night
81°F
NE 4 mph
Precip.
3%
3%
10.09
thu
thu
Day
93°F
NE 6 mph
Precip.
1%
1%
Night
79°F
N 3 mph
Precip.
2%
2%
11.09
fri
fri
Day
86°F
NE 7 mph
Precip.
1%
1%
Night
73°F
N 7 mph
Precip.
6%
6%
12.09
sat
sat
Day
79°F
N 8 mph
Precip.
2%
2%
Night
68°F
N 6 mph
Precip.
7%
7%
13.09
sun
sun
Day
77°F
E 6 mph
Precip.
2%
2%
Night
70°F
NE 3 mph
Precip.
6%
6%
14.09
mon
mon
Day
81°F
NE 6 mph
Precip.
2%
2%
Night
72°F
NE 2 mph
Precip.
5%
5%
15.09
tue
tue
Day
82°F
NE 6 mph
Precip.
1%
1%
Night
75°F
NE 2 mph
Precip.
4%
4%
16.09
wed
wed
Day
86°F
E 6 mph
Precip.
1%
1%
Night
75°F
NE 2 mph
Precip.
4%
4%
17.09
thu
thu
Day
86°F
E 6 mph
Precip.
6%
6%
Night
75°F
NE 2 mph
Precip.
2%
2%
18.09
fri
fri
Day
86°F
E 6 mph
Precip.
1%
1%
Night
77°F
NE 2 mph
Precip.
2%
2%
19.09
sat
sat
Day
86°F
NE 6 mph
Precip.
1%
1%
Night
73°F
N 3 mph
Precip.
3%
3%
20.09
sun
sun
Day
81°F
NE 6 mph
Precip.
6%
6%
Night
73°F
NE 5 mph
Precip.
2%
2%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.4°F. The highest and lowest sea temperatures during the month were 72.0°F and 66.4°F.
Air temperature in Irvine, °F
Precipitation total in Irvine, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Irvine
Irvine on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Irvine
Local time: 15:59
September 07, monday
1800
91°F
E
7 mph
7 mph
2100
82°F
NE
2 mph
2 mph
September 08, tuesday
0000
81°F
E
1 mph
1 mph
0300
81°F
NW
1 mph
1 mph
0600
79°F
SW
2 mph
2 mph
0900
84°F
E
2 mph
2 mph
1200
93°F
E
6 mph
6 mph
1500
95°F
E
9 mph
9 mph
