Measurements:
°C
°F
San Jose
60°F
S 7 mph
Feels like: 58°F
Precip: 0%
World Resorts Spain San Jose Weather September Weather in San Jose

San Jose Weather: September

Average Day Temperature: 85.9°F
Average Night Temperature: 74.4°F
Sea Water Temperature: 78.9°F
Number of Sunny Days: 26 days
Sunshine Hours: 11.8 - 12.9 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.6 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 88°F. The lowest night temperature was 67°F. The average values for day and night temperatures during September were 81.7°F и 74.8°F respectivly.

San Jose Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for San Jose was 80.1°F. The maximum and minimum values were 72.2°F and 84.6°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 San Jose is 0.6 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 8.3 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 10.9 hours.

Best Time to Visit San Jose
The most sunny months:
July 30 days
August 29 days
June 28 days
The most warm months:
August 92.7 °F
July 92.1 °F
September 85.9 °F
Warmest sea temperature:
August 81.5 °F
September 78.9 °F
July 78.3 °F
The most cold months:
January 61.6 °F
February 62.6 °F
December 64.1 °F
The most rainy months:
March 1 day
January 1 day
September 1 day
The most windy months:
April 9 mph
March 9 mph
February 9 mph

San Jose on the Weather Map

24 Hours Weather Forecast
San Jose
Local time: 04:38
22 nov, friday
0600 60°F
S
7 mph
0900 60°F
S
7 mph
1200 68°F
S
1 mph
1500 68°F
NE
5 mph
1800 64°F
NE
4 mph
2100 62°F
SE
1 mph
23 nov, saturday
0000 62°F
SW
2 mph
0300 62°F
SW
5 mph