Islita Weather in September

Islita in September sees high temperatures, with highs around 29°C (84°F) and overnight lows of 24°C (75°F). With the rainy season in full effect, expect around 407 mm (16 in) of rainfall and regular showers throughout the month.

Rainfall in Islita in September

Islita is in the rainy season in September, with rain on around 23 days and an average of 407 mm (16 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Islita in September

September in Islita brings typical temperatures with highs around 29°C (84°F) and lows of 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Islita in September

With about 159 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

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

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Costa Rica, check out our Islita's climate page.

Islita Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 76%  

Precipitation 407 mm (16 in)  

Rainy days 23 days  

Sunshine 159 hours *  

Percentage Sunshine *  

* Data from: Puntarenas, Costa Rica (63 KM, 39 Miles).

What to Wear in Islita in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Islita 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 Islita's climate page.

More climate data for Islita

Temperature Rainfall Sunshine

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