Measurements:
°C
°F
Irvine
54°F
N 1 mph
Feels like: 52°F
Precip: 0%
World Resorts USA Irvine Weather September Weather in Irvine

Irvine Weather: September

Average Day Temperature: 84.5°F
Average Night Temperature: 71.9°F
Sea Water Temperature: 70.8°F
Number of Sunny Days: 26 days
Sunshine Hours: 11.9 - 12.9 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.1 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 95°F. The lowest night temperature was 58°F. The average values for day and night temperatures during September were 80.2°F и 67.3°F respectivly.

Irvine Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Irvine was 70.3°F. The maximum and minimum values were 64.8°F and 74.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Irvine is 0.1 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Irvine in September is 11.0 hours.

Best Time to Visit Irvine
The most sunny months:
July 30 days
August 29 days
September 26 days
The most warm months:
August 86.0 °F
July 84.8 °F
September 84.5 °F
Warmest sea temperature:
August 71.4 °F
September 70.8 °F
July 70.2 °F
The most cold months:
March 65.3 °F
January 65.5 °F
December 65.9 °F
The most rainy months:
January 2 days
December 2 days
February 1 day
The most windy months:
May 6 mph
March 6 mph
April 6 mph

Irvine on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Irvine
Local time: 06:31
05 nov, tuesday
0900 62°F
S
1 mph
1200 72°F
NE
5 mph
1500 70°F
NE
7 mph
1800 62°F
NE
6 mph
2100 56°F
N
4 mph
06 nov, wednesday
0000 54°F
NW
4 mph
0300 54°F
NW
4 mph
0600 52°F
W
4 mph