September weather forecastBayunca, Colombia
September
Weather in September
September, the first month of the autumn in Bayunca, is also a hot month, with an average temperature varying between 30.5°C (86.9°F) and 26.8°C (80.2°F).Temperature
September welcomes an average high-temperature of a still tropical 30.5°C (86.9°F), not much different from the preceding month. In Bayunca, the nighttime temperature in September descends gently to an average of 26.8°C (80.2°F).Heat index
The heat index in September is evaluated at a fiery hot 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in September is 77%.Rainfall
In Bayunca, in September, it is raining for 25.5 days, with typically 150mm (5.91") of accumulated precipitation. In Bayunca, during the entire year, the rain falls for 210.6 days and collects up to 1115mm (43.9") of precipitation.Daylight
In September, the average length of the day is 12h and 11min.On the first day of September, sunrise is at 05:51 and sunset at 18:10. On the last day of the month, sunrise is at 05:50 and sunset at 17:52 -05.
Sunshine
In Bayunca, the average sunshine in September is 10.2h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bayunca. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bayunca, Colombia
- Average high temperature in September: 30.5°C
The warmest months (with the highest average high temperature) are February, June and July (31.1°C).
The months with the lowest average high temperature are October and November (29.8°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is June (26.9°C).
The coldest month (with the lowest average low temperature) is January (25.8°C).
Average pressure in September
Bayunca, Colombia
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1009.6mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Bayunca, Colombia
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is March (22km/h).
The calmest month (with the lowest average wind speed) is October (10.9km/h).
Average humidity in September
Bayunca, Colombia
- Average humidity in September: 77%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is February (71%).
Average rainfall in September
Bayunca, Colombia
- Average rainfall in September: 150mm
The wettest month (with the highest rainfall) is October (221mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days in September
Bayunca, Colombia
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is October (28.2 days).
The month with the least rainy days is February (2.6 days).
Average daylight in September /
Average sunshine in September
Bayunca, Colombia
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Bayunca, Colombia
- Average sunshine days in September: 2.8 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is October (1.9 days).
Average UV index in September
Bayunca, Colombia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Bayunca, Colombia
- Average cloud cover in September: 31
The month with the most cloud cover is October (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in September
Bayunca, Colombia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).
