Orosí Weather in September

Orosí in September averages 23°C (73°F) during the day and 15°C (59°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Orosí in September

As part of the rainy season, Orosí sees around 24 days of rain in September, with an average of 421 mm (17 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Orosí in September

September in Orosí sees highs of 23°C (73°F) and lows of 15°C (59°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Orosí in September

The area enjoys a moderate level of sunlight, with around 149 hours. It's a good balance between sunny and rainy days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Orosí. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Costa Rica, check out our Orosí's climate page.

Orosí Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 80%  

Precipitation 421 mm (17 in)  

Rainy days 24 days  

Humidity 85% *  

Sunshine 149 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (29 KM, 18 Miles).

What to Wear in Orosí in September

For Orosí in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Orosí in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Costa Rica, check out our Orosí's climate page.

More climate data for Orosí

Temperature Rainfall Sunshine Humidity

See the full Orosí climate overview or explore weather in Costa Rica.