September weather forecastYumbo, Colombia
September
Weather in September
The first month of the autumn, September, is still a warm month in Yumbo, Colombia, with temperature in the range of an average high of 26.1°C (79°F) and an average low of 17.4°C (63.3°F).Temperature
Yumbo experiences an average high-temperature of a still moderately hot 26.1°C (79°F) in September, marking an insignificant shift from 26.5°C (79.7°F) in August. The nights of September anticipate an average low-temperature of 17.4°C (63.3°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Yumbo, in September, during 28.5 rainfall days, 175mm (6.89") of precipitation is typically accumulated. In Yumbo, during the entire year, the rain falls for 357 days and collects up to 2662mm (104.8") of precipitation.Daylight
In September, the average length of the day in Yumbo is 12h and 8min.On the first day of September in Yumbo, sunrise is at 06:00 and sunset at 18:11. On the last day of the month, sunrise is at 05:53 and sunset at 17:58 -05.
Sunshine
September has the most sunshine of the year in Yumbo, with an average of 10.1h of sunshine.UV index
The months with the highest UV index in Yumbo are February, July, September and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yumbo, Colombia
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is November (25°C).
- Average low temperature in September: 17.4°C
The months with the highest average low temperature are March and April (17.5°C).
The coldest month (with the lowest average low temperature) is July (16.6°C).
Average pressure in September
Yumbo, Colombia
- Average pressure in September: 1013.2mbar
The months with the highest atmospheric pressure are June and July (1013.4mbar).
The month with the lowest atmospheric pressure is February (1012.1mbar).
Average wind speed in September
Yumbo, Colombia
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is August (5.6km/h).
The calmest month (with the lowest average wind speed) is November (4.3km/h).
Average humidity in September
Yumbo, Colombia
- Average humidity in September: 82%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is August (81%).
Average rainfall in September
Yumbo, Colombia
- Average rainfall in September: 175mm
The wettest month (with the highest rainfall) is May (294mm).
The driest month (with the least rainfall) is August (154mm).
Average rainfall days in September
Yumbo, Colombia
- Average rainfall days in September: 28.5 days
The months with the highest number of rainy days are March and October (30.9 days).
The month with the least rainy days is February (27.3 days).
Average daylight in September /
Average sunshine in September
Yumbo, Colombia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 10h and 6min
The month with the most sunshine is September (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Yumbo, Colombia
- Average sunshine days in September: 1 days
The month with the most sunshine days is July (1.2 days).
The months with the least sunshine days are March, October, November and December (0 days).
Average UV index in September
Yumbo, Colombia
- Average UV index in September: 6
The months with the highest UV index are February, July, September and December (UV index 6).
The months with the lowest UV index are January, March, April, May, June, August, October and November (UV index 5).
Average cloud cover in September
Yumbo, Colombia
- Average cloud cover in September: 38
The month with the most cloud cover is April (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Yumbo, Colombia
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, November and December (7km).





