September weather forecastGuanay, Bolivia
September
Weather in September
The first month of the spring, September, is still a warm month in Guanay, Bolivia, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 24.2°C (75.6°F).Temperature
In Guanay, September and November are characterised by the peak of temperatures, recording an average high of 24.2°C (75.6°F).Humidity
With an average relative humidity of 75%, September is the least humid month in Guanay.Rainfall
In Guanay, during September, the rain falls for 22.5 days and regularly aggregates up to 93mm (3.66") of precipitation. Throughout the year, there are 313.4 rainfall days, and 2437mm (95.94") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 06:36 and sunset at 18:26. On the last day of September, sunrise is at 06:14 and sunset at 18:28 -04.
Sunshine
The average sunshine in September is 8.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 5. January through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guanay, Bolivia
- Average high temperature in September: 24.2°C
The warmest months (with the highest average high temperature) are September and November (24.2°C).
The month with the lowest average high temperature is June (21.5°C).
- Average low temperature in September: 13.5°C
The months with the highest average low temperature are January, February and December (14.8°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).
Average pressure in September
Guanay, Bolivia
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is July (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Guanay, Bolivia
- Average wind speed in September: 5.4km/h
The windiest month (with the highest average wind speed) is September (5.4km/h).
The calmest months (with the lowest average wind speed) are May and June (4.3km/h).
Average humidity in September
Guanay, Bolivia
- Average humidity in September: 75%
The months with the highest relative humidity are February and May (88%).
The month with the lowest relative humidity is September (75%).
Average rainfall in September
Guanay, Bolivia
- Average rainfall in September: 93mm
The wettest month (with the highest rainfall) is February (370mm).
The driest month (with the least rainfall) is August (55mm).
Average rainfall days in September
Guanay, Bolivia
- Average rainfall days in September: 22.5 days
The month with the highest number of rainy days is January (30.4 days).
The month with the least rainy days is August (19.3 days).
Average daylight in September /
Average sunshine in September
Guanay, Bolivia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is November (Average sunshine: 9h and 6min).
The month with the least sunshine is May (Average sunshine: 6h and 12min).
Average sunshine days in September
Guanay, Bolivia
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is August (9.2 days).
The month with the least sunshine days is February (0 days).
Average UV index in September
Guanay, Bolivia
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Guanay, Bolivia
- Average cloud cover in September: 39
The month with the most cloud cover is May (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in September
Guanay, Bolivia
- Average visibility in September: 8km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are May and June (6km).





