September weather forecast
Potosi, Bolivia

September weather in Potosi marks the exit of winter, as temperatures begin to rise. The rainfall sees a noticeable increase, tripling from 3mm (0.12") in August to 10mm (0.39"), indicating the initiation of the wet season. The climate starts getting milder, and the increased daylight hours highlight this transition. Consequently, this month brings a more considerable change in temperature and rainfall, setting the stage for incoming October.

Temperature

In Potosi, September's average high-temperature stands at an enjoyable 16°C (60.8°F), closely related to the preceding month. With a significant daily temperature differential, Potosi's nighttime temperature in September falls to an average of -1°C (30.2°F).

Rainfall

In Potosi, Bolivia, in September, during 2 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Potosi, during the entire year, the rain falls for 80 days and collects up to 397mm (15.63") of precipitation.

Daylight

In September, the average length of the day in Potosi is 12h and 0min.
On the first day of the month, sunrise is at 06:30 and sunset at 18:15. On the last day of September, sunrise is at 06:04 and sunset at 18:20 -04.

Sunshine

The average sunshine in September is 8h.

UV index

The months with the highest UV index in Potosi are January through April, September through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a regular UV index of 12 translates into these guidelines:
Employ every precaution of importance, unprotected skin and eyes could burn within moments. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.