Quepos weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Quepos in September. Check more long-term weather averages for Quepos in September before you book your next holiday to Costa Rica in 2025/2026.

  • 29°C maximum daytime temperature in September in Quepos29
    29°C max day temperature
  • 5 hours of sunshine per day
  • 22 days with some rainfall in September in Quepos22
    22 days with some rainfall
  • 22°C minimum night-time temperature in September in Quepos22
    22°C min night temperature
  • 12 hours of daylight per day in September in Quepos12
    12 hours of daylight per day
  • Very high heat & humidity in September in QueposVH
    Very High heat & humidity
  • 519 mm monthly rainfall in September in Quepos519
    519 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Quepos11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Quepos28
    28°C sea temperature

More about Quepos

Quepos by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Costa Rica

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The September weather guide for Costa Rica (Quepos) 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)

Back to top

More about Costa Rica

How hot is it in Quepos in September?

Daytime temperatures usually reach 29°C in Quepos in September with very high heat and humidity, falling to 22°C at night.

How sunny is it in Quepos in September?

There are normally 5 hours of bright sunshine each day in Quepos in September - that's 44% of daylight hours.

How warm is the sea around Quepos in September?

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

Does it rain in Quepos in September?

There are usually 22 days with some rain in Quepos in September and the average monthly rainfall is 519mm.

Quepos September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:28 17:45
Monday, 15th September 2025 05:26 17:37
Tuesday, 30th September 2025 05:25 17:28

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^