Weather in Costa Rica in September

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What's The Weather Like in
temperature
Temp

28° C

average

rain
Rain

86 mm

per month

sun
Sun

25 %

chance

humidity
Humidity

80 %

average

Average daily temperatures

Days are usually hot with balmy evenings, so visitors should pack light and cool clothing. The average daily maximum is 33 C and the average daily minimum is 23 C.

Sunshine and rainfall

There is a 25% chance of a perfect sunny day and a 75% chance of seeing a mixture of sunshine and clouds with an average 86mm of rainfall this month.

Holiday deals in Costa Rica

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Average weather in Costa Rica

Jan

27°C

Avg. Rain: 0mm

Feb

28°C

Avg. Rain: 0mm

Mar

29°C

Avg. Rain: 0mm

Apr

29°C

Avg. Rain: 6mm

May

29°C

Avg. Rain: 54mm

Jun

28°C

Avg. Rain: 65mm

Jul

28°C

Avg. Rain: 27mm

Aug

28°C

Avg. Rain: 83mm

Sep

28°C

Avg. Rain: 86mm

Oct

27°C

Avg. Rain: 125mm

Nov

27°C

Avg. Rain: 50mm

Dec

27°C

Avg. Rain: 15mm

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