Guápiles Weather in September

September in Guápiles brings high temperatures, with highs of 28°C (82°F) and nights dropping to 20°C (68°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Guápiles in September

Guápiles is in the rainy season in September, with rain on around 22 days and an average of 302 mm (12 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Guápiles in September

Guápiles in September gets highs of 28°C (82°F) during the day and drops to 20°C (68°F) at night. This kind of day-to-night contrast is typical for this time of year. At 20°C (68°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Guápiles in September

The city usually sees around 149 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

September in Guápiles has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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

Guápiles Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 74%  

Precipitation 302 mm (12 in)  

Rainy days 22 days  

Humidity 85% *  

Sunshine 149 hours *  

Percentage Sunshine *  

* Data from: San José, Costa Rica (45 KM, 28 Miles).

What to Wear in Guápiles 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! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Guápiles 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 Guápiles's climate page.

More climate data for Guápiles

Temperature Rainfall Sunshine Humidity

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