Measurements:
°C
°F
San Jose
46°F
NW 6 mph
Feels like: 42°F
Precip: 100%
World Resorts USA San Jose Weather September Weather in San Jose

San Jose Weather: September

Average Day Temperature: 84.4°F
Average Night Temperature: 59.8°F
Sea Water Temperature: 63.9°F
Number of Sunny Days: 25 days
Sunshine Hours: 11.8 - 13.0 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 93°F. The lowest night temperature was 54°F. The average values for day and night temperatures during September were 80.0°F и 60.9°F respectivly.

San Jose Water Sea Temperature in September, °F

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for San Jose was 70.7°F. The maximum and minimum values were 66.8°F and 73.2°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 San Jose is 0.1 in. It makes september the least rainy month 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 San Jose in September is 10.8 hours.

Best Time to Visit San Jose
The most sunny months:
July 29 days
August 29 days
June 26 days
The most warm months:
August 89.8 °F
July 89.7 °F
September 84.4 °F
Warmest sea temperature:
September 63.9 °F
August 63.6 °F
July 63.2 °F
The most cold months:
December 57.2 °F
January 58.6 °F
February 60.4 °F
The most rainy months:
February 3 days
January 3 days
December 3 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph

San Jose on the Weather Map

USA Resorts:
NAME
Boston +40
Chicago +36
Hawaii +74
Honolulu +74
Houston +60
Las Vegas +54
Los Angeles +52
Miami +74
New York +42
Orlando +64
San Diego +56
San Francisco +50
Sarasota +66
Tampa +64
Washington +42
24 Hours Weather Forecast
San Jose
Local time: 04:52
29 mar, friday
0600 46°F
NW
6 mph
0900 46°F
N
9 mph
1200 48°F
NW
12 mph
1500 48°F
NW
12 mph
1800 48°F
NW
11 mph
2100 48°F
N
11 mph
30 mar, saturday
0000 48°F
N
9 mph
0300 46°F
NW
8 mph