Nicoya Weather in September

September in Nicoya brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 23°C (73°F). It's part of the rainy season, with 406 mm (16 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Nicoya in September

Nicoya is in the rainy season in September, with rain on around 23 days and an average of 406 mm (16 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Nicoya in September

If you're visiting Nicoya in September, expect highs of 31°C (88°F) and overnight lows around 23°C (73°F). For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Nicoya in September

The city usually sees around 158 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Nicoya. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• July
• August

• September
• October
• November
• December

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

Nicoya Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 76%  

Precipitation 406 mm (16 in)  

Rainy days 23 days  

Humidity 86% *  

Sunshine 158 hours *  

Percentage Sunshine *  

* Data from: Liberia, Costa Rica (54 KM, 33 Miles).

What to Wear in Nicoya in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Nicoya in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Nicoya's climate page.

More climate data for Nicoya

Temperature Rainfall Sunshine Humidity

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