Measurements:
°C
°F
Santa Barbara
90°F
NE 6 mph
Feels like: 94°F
Precip: 2%
World Resorts USA Santa Barbara Weather September Weather in Santa Barbara

Santa Barbara Weather: September

Average Day Temperature: 79.9°F
Average Night Temperature: 65.2°F
Sea Water Temperature: 68.1°F
Number of Sunny Days: 24 days
Sunshine Hours: 11.8 - 12.9 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 90°F. The lowest night temperature was 62°F. The average values for day and night temperatures during September were 78.8°F и 68.0°F respectivly.

Santa Barbara Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Santa Barbara was 70.6°F. The maximum and minimum values were 68.6°F and 73.0°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 Barbara is 0.0 in. It makes september the least rainy month of the year.

Wind Speed in September, mph

The average wind speed in September is 5.7 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 Barbara in September is 10.6 hours.

Best Time to Visit Santa Barbara
The most sunny months:
July 26 days
August 26 days
May 25 days
The most warm months:
August 82.7 °F
July 81.0 °F
September 79.9 °F
Warmest sea temperature:
September 68.1 °F
August 67.4 °F
October 66.9 °F
The most cold months:
January 63.6 °F
December 63.6 °F
February 64.1 °F
The most rainy months:
January 2 days
February 2 days
March 2 days
The most windy months:
April 7 mph
May 7 mph
March 7 mph

Santa Barbara on the Weather Map

USA Resorts:
NAME
Boston +96
Chicago +86
Hawaii +82
Houston +80
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
24 Hours Weather Forecast
Santa Barbara
Local time: 14:30
15 jul, wednesday
1500 90°F
NE
6 mph
1800 84°F
E
10 mph
2100 94°F
SE
8 mph
16 jul, thursday
0000 76°F
S
4 mph
0300 72°F
W
2 mph
0600 68°F
SW
1 mph
0900 84°F
NE
5 mph
1200 90°F
NE
6 mph