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San Jose weather in September 2021
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- 2424°C max day temperature
- 2424 days with some rainfall
- 1717°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 372372 mm of monthly rainfall
- 1111+ (Extreme) UV index
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The September weather guide for San Jose, Costa Rica shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in San Jose in September?
Daytime temperatures usually reach 24°C in San Jose in September, falling to 17°C at night.
How sunny is it in San Jose in September?
There are normally 6 hours of bright sunshine each day in San Jose in September - that's 49% of daylight hours.
Does it rain in San Jose in September?
There are usually 24 days with some rain in San Jose in September and the average monthly rainfall is 372mm.
Metric (°C / mm) | Imperial (°F / inches)
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San Jose sunrise & sunset times for September 2021
Browse the sunrise & sunset times for San Jose in September 2021. Select a month to view San Jose sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||05:27||17:45|
|Wednesday, 15th September 2021||05:26||17:37|
|Thursday, 30th September 2021||05:25||17:27|
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Where is hot in Costa Rica in September for 2021/2022?
Below are average maximum temperatures at popular destinations in Costa Rica in September. Select a destination to see more weather parameters.
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