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Costa Rica, Costa Rica

Costa Rica by month

Costa Rica in September

September in Costa Rica brings highs around 88°F (31°C), lows near 72°F and about 17 rainy days. The sun sets around 5:37 pm. The sea is about 84°F (29°C). It's off season for sightseeing: hot and quieter.

Photo: Rhododendrites, CC BY-SA 4.0

What September is good for in Costa Rica

Each activity rated for September's weather and sea.

September next to August and October

MonthAugustSeptemberOctober
High90°F (32°C)88°F (31°C)88°F (31°C)
Low73°F (23°C)72°F (22°C)72°F (22°C)
Rainy days121716
Sea84°F84°F83°F
Sunset5:54 pm5:37 pm5:20 pm
Daylight12 h 27 min12 h 11 min11 h 55 min

Averages for Liberia, Costa Rica; sunrise and sunset on the 15th. Costa Rica water temperature by month.

Tours in Costa Rica

See all tours in Costa Rica on Viator

Questions

Is September a good time to visit Costa Rica?

It's off season for sightseeing: hot and quieter. The most comfortable months overall are November and December.

How hot is Costa Rica in September?

Average highs are about 88°F (31°C) and lows about 72°F (22°C).

Does it rain much in Costa Rica in September?

September averages 17 rainy days, against 17 in the wettest month.

How warm is the sea in Costa Rica in September?

About 84°F (29°C). Warm enough for long swims and snorkeling.

Other cities in September

Everything to do in Costa Rica