When to go · September

Costa Rica in September

Best to skip this month

Wettest month

Home / When to go / Costa Rica / September
Daytime high
26°C
79°F
Overnight low
16°C
61°F
Rainfall
300 mm
wet
Crowd levels
low
quiet
Prices
low
value window

What to expect in Costa Rica in September

September brings warm weather to Costa Rica, with daytime highs around 26°C (79°F) and overnight lows near 16°C (61°F). Skies are typically distinctly rainy, with about 300 mm of rainfall on average. Wettest month.

September is a quiet stretch — most attractions are easy to access and you'll often have spaces to yourself. It's one of the best-value windows of the year for both flights and hotels. Peak season runs December–March, for context.

What’s happening in September

  • 🎉
    Día de la Independencia · SepIndependence Day parades with schoolchildren carrying lanterns.
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Live fares for Costa Rica in September

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Find flights to Costa Rica→Hotels in Costa Rica→Flight + hotel package

Costa Rica in other months

January
great
February
great
March
great
April
good
May
okay
June
okay
July
good
August
okay
October
avoid
November
okay
December
great

Where else is good to go in September

Japan in September
27°C high · medium crowds · good
Bali in September
30°C high · medium crowds · great
Italy in September
27°C high · medium crowds · great
France in September
22°C high · medium crowds · great
Spain in September
28°C high · medium crowds · great
Portugal in September
27°C high · medium crowds · great
Greece in September
29°C high · medium crowds · great
Turkey in September
27°C high · medium crowds · great