Daytime highs, nighttime lows and the warmest cities in the Osa Peninsula, Costa Rica this September.
The Osa Peninsula, Costa Rica, a region in Costa Rica, typically experiences warm weather in September, with maximum daytime temperatures around 29°C (84°F) and nighttime temperatures around 24°C (75°F) in Puerto Jiménez.
Explore the map below to discover average September temperatures at the top destinations in the Osa Peninsula. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Osa Peninsula.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Daytime temperatures in Puerto Jiménez typically peak at 29°C (84°F) in September, putting it in the high range.
Average overnight lows in the Osa Peninsula, Costa Rica during September sit near 24°C (75°F) in Puerto Jiménez.
We have much more information about the climate in the Osa Peninsula.
Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed historical weather averages for many cities in Costa Rica.
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