San Buenaventura Weather in September
With daytime temperatures of 28°C (82°F) and nighttime lows of 22°C (72°F), September in San Buenaventura brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in San Buenaventura in September
As part of the rainy season, San Buenaventura sees around 21 days of rain in September, with an average of 774 mm (30 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in San Buenaventura in September
Daytime temperatures in San Buenaventura reach 28°C (82°F) in September, dropping to 22°C (72°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights are mild at around 22°C (72°F), which is comfortable for most people.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit San Buenaventura. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our San Buenaventura's climate page.
San Buenaventura Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Chance of Rain
71%
Precipitation
774 mm (30 in)
Rainy days
21 days
Best Places in Costa Rica in September
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Buenaventura 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.What To Do in San Buenaventura in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our San Buenaventura's climate page.
See the full San Buenaventura climate overview or explore weather in Costa Rica.
