Measurements:
°C
°F
San Jose
74°F
E 4 mph
Feels like: 60°F
Precip: 0%
World Resorts Costa Rica San Jose Weather September Weather in San Jose

San Jose Weather: September

Average Day Temperature: 78.1°F
Average Night Temperature: 61.9°F
Sea Water Temperature: 87.5°F
Number of Sunny Days: 1 day
Sunshine Hours: 12.0 - 12.3 hours
Number of Rainy Days: 27 days
Precipitation Totals: 24.8 in

Air Temperature in September, °F

Select Year: 2023 2022 2021

The highest day temperature in September 2023 was 82°F. The lowest night temperature was 56°F. The average values for day and night temperatures during September were 77.3°F и 60.6°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 89.7°F. The maximum and minimum values were 88.4°F and 90.8°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in September, in

Precipitation total in September for San Jose is 24.8 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 2.5 mph. It makes September the most windless month of the year for San Jose.

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 4.9 hours.

Best Time to Visit San Jose
The most sunny months:
January 14 days
February 14 days
March 12 days
The most warm months:
March 83.4 °F
April 83.0 °F
February 82.1 °F
Warmest sea temperature:
April 89.5 °F
March 89.2 °F
May 88.9 °F
The most cold months:
November 76.6 °F
October 76.9 °F
July 77.9 °F
The most rainy months:
October 27 days
September 27 days
June 26 days
The most windy months:
February 6 mph
January 6 mph
March 6 mph

San Jose on the Weather Map

Costa Rica Resorts:
NAME
Alajuela +74
Cartago +74
El Roble +84
Heredia +74
Jaco +84
Limon +78
Playa Flamingo +84
Playas del Coco +84
Puerto Limon +78
Puerto Viejo de Talamanca +78
Quepos +80
Samara +82
San Jose +74
Santa Teresa +84
Tamarindo +84
24 Hours Weather Forecast
San Jose
Local time: 04:14
28 mar, thursday
0600 58°F
W
4 mph
0900 82°F
S
2 mph
1200 88°F
SE
3 mph
1500 80°F
S
2 mph
1800 64°F
SW
3 mph
2100 62°F
W
5 mph
29 mar, friday
0000 58°F
SW
6 mph
0300 58°F
SW
6 mph