September weather forecast
Golfito, Costa Rica

September in Golfito observes the highest annual rainfall, with the city soaking up a whopping 581mm (22.87"). With precipitation levels exceeding those of the months before, the city's abundant natural landscapes thrive. The difference between day and night temperatures remains marginal, showcasing a consistently comfortable warmth. It is during this month that the city reveals its full kaleidoscope of greens, painting a picture of a veritable tropical paradise.

Temperature

The coldest period, with an average high-temperature of 29°C (84.2°F), falls in August through December.

Rainfall

In Golfito, in September, during 21 rainfall days, 451mm (17.76") of precipitation is typically accumulated. In Golfito, during the entire year, the rain falls for 193 days and collects up to 3730mm (146.85") of precipitation.

Sea temperature

In Golfito, in September, the average water temperature is 28.7°C (83.7°F).
Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

The average length of the day in September in Golfito is 12h and 10min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:40. On the last day of September, in Golfito, sunrise is at 05:20 and sunset at 17:23 CST.

Sunshine

The months with the least sunshine in Golfito are August through November, with an average of 5h of sunshine.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Golfito. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 12 during September leads to these instructions:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Post an outdoor workout or swimming, a broad-spectrum SPF 30+ sunscreen should be applied generously and frequently. Notice! The Sun's UV exposure elevates with sand and water reflections.