Tambor weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Tambor in September. Check more long-term weather averages for Tambor in September before you book your next holiday to Costa Rica in 2025/2026.

  • 30°C maximum daytime temperature in September in Tambor30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 23 days with some rainfall in September in Tambor23
    23 days with some rainfall
  • 23°C minimum night-time temperature in September in Tambor23
    23°C min night temperature
  • 12 hours of daylight per day in September in Tambor12
    12 hours of daylight per day
  • Very high heat & humidity in September in TamborVH
    Very High heat & humidity
  • 451 mm monthly rainfall in September in Tambor451
    451 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Tambor11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Tambor28
    28°C sea temperature

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The September weather guide for Costa Rica (Tambor) 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Costa Rica

How hot is it in Tambor in September?

Daytime temperatures usually reach 30°C in Tambor in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Tambor in September?

There are normally 5 hours of bright sunshine each day in Tambor in September - that's 43% of daylight hours.

How warm is the sea around Tambor in September?

The average sea temperature around Tambor in September is 28°C.

Does it rain in Tambor in September?

There are usually 23 days with some rain in Tambor in September and the average monthly rainfall is 451mm.

Tambor September sunrise & sunset times

Browse the sunrise and sunset times for Tambor in September 2025. Select a month to view Tambor sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:31 17:49
Monday, 15th September 2025 05:30 17:40
Tuesday, 30th September 2025 05:29 17:31

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