September weather forecast
Popayán, Colombia

A significant upsurge in rainfall to 123mm (4.84") marks the onset of September, introducing the second rainiest phase of the year. Predictably, humidity follows suit, rising significantly from August, thereby amplifying the moist conditions. Notwithstanding increased precipitation, daylight assertions persist, suggesting the absence of extreme weather. Despite fewer sunshine hours, weather conditions remain evenly balanced across the span of September. Gently oscillating temperatures keep the heat or cold waves at bay, reinforcing the mild weather character of the city.

Temperature

The transition from August to September sees an average high-temperature of a still moderately hot 24.8°C (76.6°F), indicating a minor variance from the prior month. September nights in Popayán showcase a dramatic shift from daytime highs to an average temperature of 12.4°C (54.3°F).

Humidity

The average relative humidity in September in Popayán is 74%.

Rainfall

In Popayán, in September, during 15 rainfall days, 123mm (4.84") of precipitation is typically accumulated. Throughout the year, in Popayán, there are 210 rainfall days, and 2127mm (83.74") of precipitation is accumulated.

Daylight

In Popayán, the average length of the day in September is 12h and 8min.
On the first day of the month, sunrise is at 06:01 and sunset at 18:11. On the last day of September, sunrise is at 05:53 and sunset at 17:59 -05.

Sunshine

The average sunshine in September is 4.3h.

UV index

The months with the highest UV index in Popayán are January through December, with an average maximum UV index of 12. January through December, with an average maximum UV index of 12, are months with the lowest UV index. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 in September interprets into the following advice:
Employ all critical precautions. Guarding against sun damage is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.