September weather forecastOruro, Bolivia
September
Weather in September
With September commences the spring season in Oruro, Bolivia. A noticeable increase in rainfall, from 10mm (0.39") in August to 15mm (0.59"), signals the end of the city's semi-arid season. The combination of warmer days, the onset of additional rainfall, and increasing daylight hours suggest tangible weather changes. Substantial rise in the UV index hints at the return of stronger sunshine, while nighttime conditions start to become less chilly. Therefore, September's weather in Oruro demonstrates the fascinating shift from a semi-arid winter to a more temperate spring.Temperature
September's advent presents an average high-temperature of a still refreshing 17°C (62.6°F), indicating a slight variation from the conditions of the previous month. Despite the drastic temperature difference, Oruro records an average nighttime low of -1°C (30.2°F) throughout September.Rainfall
In September, in Oruro, the rain falls for 4 days. Throughout September, 15mm (0.59") of precipitation is accumulated. In Oruro, during the entire year, the rain falls for 73 days and collects up to 392mm (15.43") of precipitation.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 06:34 and sunset at 18:21. On the last day of September, sunrise is at 06:10 and sunset at 18:25 -04.
Sunshine
The average sunshine in September in Oruro is 8h.UV index
The months with the highest UV index are January through April, September through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 12 in September converts into the following recommendations:
Utilize every vital safety procedure. Individuals with light skin may endure burns in less than 5 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oruro, Bolivia
- Average high temperature in September: 17°C
The warmest months (with the highest average high temperature) are October and November (19°C).
The months with the lowest average high temperature are February, June and July (15°C).
- Average low temperature in September: -1°C
The months with the highest average low temperature are January and December (3°C).
The coldest month (with the lowest average low temperature) is June (-6°C).
Average rainfall in September
Oruro, Bolivia
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is January (94mm).
The driest months (with the least rainfall) are June and July (3mm).
Average rainfall days in September
Oruro, Bolivia
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is January (14 days).
The months with the least rainy days are May, June and July (1 days).
Average daylight in September /
Average sunshine in September
Oruro, Bolivia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 8h
The month with the most sunshine is August (Average sunshine: 9h).
The months with the least sunshine are January, February, March and December (Average sunshine: 6h).
Average UV index in September
Oruro, Bolivia
- Average UV index in September: 12
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 8).








