World Resorts USA Irvine Weather

Irvine weather in September

Weather in Irvine: September

Average day temperature: 81.1°F
Average night temperature: 69.7°F
Sea water temperature: 68.7°F
Number of sunny days: 26 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 90°F. At the same time the lowest night temperature was 57°F. Day and night temperature averages during September were 77.2°F and 65.6°F.

Sea water temperature in Irvine in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 68.3°F. The highest and lowest sea temperatures during the month were 71.8°F and 63.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Irvine in September is 0.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.7.

Best time for vacation in Irvine

Sunniest months:
July 30 days
August 29 days
September 26 days
Warmest months:
August 82.4 °F
July 81.3 °F
September 81.1 °F
Warmest sea temp:
August 69.3 °F
September 68.7 °F
July 68.2 °F
Coldest months:
March 63.8 °F
January 63.9 °F
December 64.3 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
May 6.4 mph
March 6.3 mph
April 6.1 mph

Irvine on a weather map

Irvine
+63°F
E 2 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+59°F
+77°F
+77°F
+54°F
+66°F
+79°F
+73°F
+57°F
+64°F
+57°F
+73°F
+73°F
+77°F
+64°F
24 Hours Forecast
Irvine
Local time: 21:35
November 05, tuesday
0000
59°F
NW
1 mph
0300
55°F
NW
1 mph
0600
54°F
N
1 mph
0900
61°F
S
1 mph
1200
70°F
NE
5 mph
1500
68°F
NE
7 mph
1800
61°F
NE
6 mph
2100
55°F
N
4 mph
Units of measurement: °C / °F