Measurements:
°C
°F
Santa Catalina Island
56°F
W 6 mph
Feels like: 56°F
Precip: 0%
World Resorts USA Santa Catalina Island Weather September Weather in Santa Catalina Island

Santa Catalina Island Weather: September

Average Day Temperature: 81.4°F
Average Night Temperature: 71.3°F
Sea Water Temperature: 72.9°F
Number of Sunny Days: 27 days
Sunshine Hours: 11.9 - 12.8 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.1 in

Air Temperature in September, °F

Select Year: 2023 2022 2021

The highest day temperature in September 2023 was 84°F. The lowest night temperature was 66°F. The average values for day and night temperatures during September were 74.0°F и 69.6°F respectivly.

Santa Catalina Island Water Sea Temperature in September, °F

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Santa Catalina Island was 71.8°F. The maximum and minimum values were 69.4°F and 74.6°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 Santa Catalina Island 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 6.4 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 Santa Catalina Island in September is 11.4 hours.

Best Time to Visit Santa Catalina Island
The most sunny months:
July 30 days
August 29 days
September 27 days
The most warm months:
August 82.0 °F
September 81.4 °F
July 80.4 °F
Warmest sea temperature:
August 72.9 °F
September 72.9 °F
July 70.8 °F
The most cold months:
March 63.3 °F
January 64.6 °F
December 64.6 °F
The most rainy months:
December 3 days
January 2 days
February 1 day
The most windy months:
March 8 mph
April 7 mph
May 7 mph

Santa Catalina Island on the Weather Map

USA Resorts:
NAME
Boston +44
Chicago +62
Hawaii +76
Honolulu +76
Houston +76
Las Vegas +62
Los Angeles +58
Miami +78
New York +52
Orlando +68
San Diego +58
San Francisco +52
Sarasota +70
Tampa +70
Washington +54
24 Hours Weather Forecast
Santa Catalina Island
Local time: 02:33
28 apr, sunday
0300 56°F
W
6 mph
0600 58°F
W
6 mph
0900 62°F
NW
5 mph
1200 64°F
NE
2 mph
1500 58°F
E
8 mph
1800 56°F
E
8 mph
2100 56°F
N
6 mph
29 apr, monday
0000 56°F
NW
4 mph