September weather forecastYonza, Bolivia
September
Weather in September
September, the first month of the spring in Yonza, is still a refreshing month, with an average temperature varying between 15.7°C (60.3°F) and 2.2°C (36°F).Temperature
Yonza signifies an average high-temperature of a still refreshing 15.7°C (60.3°F) in September, closely mirroring the 13°C (55.4°F) of August. Despite substantial daily fluctuations, the average low-temperature is an icy 2.2°C (36°F) during September.Humidity
In September, the average relative humidity is 27%.Rainfall
In September, the rain falls for 2.5 days. Throughout September, 4mm (0.16") of precipitation is accumulated. Throughout the year, there are 92.6 rainfall days, and 342mm (13.46") of precipitation is accumulated.Snowfall
May, July through September are months with snowfall. September is the last month it regularly snows. During 0.3 snowfall days, in September, Yonza aggregates 3mm (0.12") of snow. In Yonza, during the entire year, snow falls for 1.3 days and aggregates up to 21mm (0.83") of snow.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:40 and sunset at 18:23. On the last day of September, sunrise is at 06:13 and sunset at 18:30 -04.
Sunshine
In September, the average sunshine is 9.9h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yonza, Bolivia
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is November (19.5°C).
The month with the lowest average high temperature is July (10.8°C).
- Average low temperature in September: 2.2°C
The months with the highest average low temperature are February and December (9.3°C).
The coldest month (with the lowest average low temperature) is July (-1.1°C).
Average pressure in September
Yonza, Bolivia
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is June (1019.9mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Yonza, Bolivia
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).
Average humidity in September
Yonza, Bolivia
- Average humidity in September: 27%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is October (24%).
Average rainfall in September
Yonza, Bolivia
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is January (105mm).
The driest month (with the least rainfall) is June (0mm).
Average rainfall days in September
Yonza, Bolivia
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is January (20.3 days).
The month with the least rainy days is June (0.3 days).
Average snowfall in September
Yonza, Bolivia
- Average snowfall in September: 3mm
The month with the highest snowfall is July (15mm).
The months with the least snowfall are January, February, March, April, June, October, November and December (0mm).
Average snowfall days in September
Yonza, Bolivia
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is July (0.4 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Yonza, Bolivia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is November (Average sunshine: 12h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 42min).
Average sunshine days in September
Yonza, Bolivia
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is August (30 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in September
Yonza, Bolivia
- Average UV index in September: 4
The months with the highest UV index are January, February, March, September, October, November and December (UV index 4).
The month with the lowest UV index is May (UV index 2).
Average cloud cover in September
Yonza, Bolivia
- Average cloud cover in September: 5
The month with the most cloud cover is February (Cloud cover 23).
The months with the least cloud cover are June and August (Cloud cover 3).
Average visibility in September
Yonza, Bolivia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
