Measurements:
°C
°F
San Jose
72°F
SW 25 mph
Feels like: 72°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
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
Day Temperature   
Night Temperature

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
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
68
71
74
77
80
83
86
89

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
Sunny days
Cloudy days
Gloomy days
87%
13%

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.1
0.2
0.4
0.5
0.6
0.7
0.8

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
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.7
3.4
5.1
6.8
8.4
10.1
11.8

The average wind speed in September is 8.3 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.3
4.7
7.0
9.3
11.6
14.0
16.3

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 61.5 °F
February 62.6 °F
December 64.0 °F
The most rainy months:
January 1 day
November 1 day
February 1 day
The most windy months:
March 9 mph
April 9 mph
May 9 mph

San Jose on the Weather Map

24 Hours Weather Forecast
San Jose
Local time: 12:56
30 apr, wednesday
1500 74°F
SW
23 mph
1800 72°F
W
12 mph
2100 66°F
E
2 mph
01 may, thursday
0000 64°F
NE
3 mph
0300 64°F
SW
2 mph
0600 62°F
W
4 mph
0900 68°F
SW
11 mph
1200 72°F
W
12 mph