Measurements:
°C
°F
Sausalito
60°F
NE 5 mph
Feels like: 58°F
Precip: 28%
World Resorts USA Sausalito Weather September Weather in Sausalito

Sausalito Weather: September

Average Day Temperature: 70.6°F
Average Night Temperature: 59.6°F
Sea Water Temperature: 65.5°F
Number of Sunny Days: 22 days
Sunshine Hours: 11.8 - 13.0 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 78°F. The lowest night temperature was 57°F. The average values for day and night temperatures during September were 67.6°F и 61.0°F respectivly.

Sausalito Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2025 for Sausalito was 66.3°F. The maximum and minimum values were 64.0°F and 68.8°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 Sausalito is 0.0 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 7.0 mph. It makes September one of the most windless months of the year for Sausalito.

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 Sausalito in September is 9.6 hours.

Best Time to Visit Sausalito
The most sunny months:
September 22 days
July 22 days
October 22 days
The most warm months:
September 70.6 °F
August 69.8 °F
October 68.6 °F
Warmest sea temperature:
September 65.5 °F
August 65.0 °F
October 63.3 °F
The most cold months:
December 54.9 °F
January 55.4 °F
February 56.8 °F
The most rainy months:
January 3 days
December 3 days
February 1 day
The most windy months:
June 9 mph
May 9 mph
July 9 mph

Sausalito on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Sausalito
Local time: 07:27
15 sep, tuesday
0900 62°F
N
6 mph
1200 66°F
NE
9 mph
1500 66°F
NE
14 mph
1800 62°F
NE
16 mph
2100 60°F
NE
13 mph
16 sep, wednesday
0000 60°F
NE
13 mph
0300 60°F
NE
14 mph
0600 60°F
NE
13 mph