Temperature in San José Province in September

Daytime highs, nighttime lows and the warmest cities in San José Province, Costa Rica this September.

San José Province, Costa Rica, a region in Costa Rica, experiences high average maximum daytime temperatures in September, ranging from 23°C (73°F) in Santa María de Dota to 29°C (84°F) in Carrillo. Nighttime temperatures generally drop to 24°C (75°F) in Carrillo and 15°C (59°F) in Santa María de Dota.

What is the temperature of the different cities in San José Province, Costa Rica in September?

To get a sense of September's typical temperatures in the key spots of San José Province, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit San José Province, check out our San José Province's climate page.

See also: San José Province weather by month.

Best Places to Visit in San José Province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across San José Province.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

San José Province temperatures in September: frequently asked questions

How hot does it get in San José Province, Costa Rica in September?

Average daytime highs in San José Province, Costa Rica during September reach about 24°C (75°F) in San José.

How cold does it get at night in San José Province, Costa Rica in September?

San José sees nighttime lows close to 16°C (61°F) in September.

What is the warmest city in September in San José Province, Costa Rica?

From a thorough analysis of our records, Carrillo clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 29°C (84°F), and evenings that remain near 24°C (75°F).

What is the coldest city in September in San José Province, Costa Rica?

Our database indicates that in September, Santa María de Dota is the city with the coolest temperatures in San José Province, Costa Rica. You can expect daytime highs of 23°C (73°F) and nighttime lows close to 15°C (59°F).

How much sun does San José Province, Costa Rica get in September?

San José usually sees around 149 hours of sunlight, indicating a moderately sunny period.

Interested in more climate information?

We have much more information about the climate in San José Province.

Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed historical weather averages for many cities in Costa Rica.

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