September weather forecastAlalay, Bolivia
September
Weather in September
The first month of the spring, September, is also an enjoyable month in Alalay, Bolivia, with an average temperature ranging between min 8.3°C (46.9°F) and max 17.6°C (63.7°F).Temperature
With the onset of September, the average high-temperature stands at a still refreshing 17.6°C (63.7°F), closely aligned with August's 16.9°C (62.4°F). The mean low-temperature during September nights in Alalay is a frosty 8.3°C (46.9°F).Humidity
The average relative humidity in September in Alalay, Bolivia, is 62%.Rainfall
In September, in Alalay, the rain falls for 13.5 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Alalay, during the entire year, the rain falls for 215.2 days and collects up to 1180mm (46.46") of precipitation.Snowfall
In Alalay, snow does not fall in January through June, August through December.Daylight
In Alalay, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 06:29 and sunset at 18:15. On the last day of September, sunrise is at 06:04 and sunset at 18:20 -04.
Sunshine
In Alalay, the average sunshine in September is 9.7h.UV index
The months with the highest UV index are January through March, May through December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alalay, Bolivia
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is November (18.5°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is December (10.7°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).
Average pressure in September
Alalay, Bolivia
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is July (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in September
Alalay, Bolivia
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is September (9.9km/h).
The calmest month (with the lowest average wind speed) is February (6.6km/h).
Average humidity in September
Alalay, Bolivia
- Average humidity in September: 62%
The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
Alalay, Bolivia
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is December (208mm).
The driest month (with the least rainfall) is June (12mm).
Average rainfall days in September
Alalay, Bolivia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is January (27.1 days).
The month with the least rainy days is June (8.4 days).
Average snowfall in September
Alalay, Bolivia
- Average snowfall in September: 0mm
The month with the highest snowfall is July (7mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days in September
Alalay, Bolivia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Alalay, 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: 9h and 42min
The month with the most sunshine is November (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 42min).
Average sunshine days in September
Alalay, Bolivia
- Average sunshine days in September: 9 days
The month with the most sunshine days is July (14.3 days).
The month with the least sunshine days is February (0.1 days).
Average UV index in September
Alalay, Bolivia
- Average UV index in September: 4
The months with the highest UV index are January, February, March, May, June, July, August, September, October, November and December (UV index 4).
The month with the lowest UV index is April (UV index 3).
Average cloud cover in September
Alalay, Bolivia
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Alalay, Bolivia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).





