World Resorts USA Santa Barbara Weather

Santa Barbara weather in September

Weather in Santa Barbara: September

Average day temperature: 77.2°F
Average night temperature: 63.7°F
Sea water temperature: 66.6°F
Number of sunny days: 24 days
Day length: 11.8 - 12.9 hours
Number of rainy days: 0 days
Precipitation totals: 0.0 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 99°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during September were 80.6°F and 63.6°F.

Sea water temperature in Santa Barbara in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 71.4°F. The highest and lowest sea temperatures during the month were 73.4°F and 69.6°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 Santa Barbara in September is 0.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.0 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: 9.8.

Best time for vacation in Santa Barbara

Sunniest months:
July 25 days
August 25 days
May 25 days
Warmest months:
August 79.4 °F
July 77.8 °F
September 77.2 °F
Warmest sea temp:
September 66.6 °F
August 66.0 °F
October 65.2 °F
Coldest months:
January 62.2 °F
December 62.3 °F
February 62.7 °F
Rainiest months:
January 2 days
February 2 days
March 2 days
Windiest months:
April 7.4 mph
May 7.1 mph
March 7.0 mph

Santa Barbara on a weather map

Santa Barbara
+88°F
E 4 mph
Feels like: +86°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+61°F
+79°F
+91°F
+91°F
+84°F
+73°F
+72°F
+61°F
+82°F
+68°F
+84°F
+82°F
+64°F
24 Hours Forecast
Santa Barbara
Local time: 17:52
October 04, sunday
1800
88°F
E
4 mph
2100
73°F
S
6 mph
October 05, monday
0000
72°F
SW
6 mph
0300
72°F
SW
6 mph
0600
70°F
SW
6 mph
0900
91°F
W
1 mph
1200
97°F
NE
7 mph
1500
95°F
NE
5 mph
Units of measurement: °C / °F