September weather forecastChalán, Colombia
September
Weather in September
The first month of the autumn, September, is also a hot month in Chalán, Colombia, with temperature in the range of an average high of 32.1°C (89.8°F) and an average low of 23.4°C (74.1°F).Temperature
In September, Chalán experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 32.1°C (89.8°F), closely mirroring the climate in August. During the month of September, Chalán anticipates a mean low-temperature of 23.4°C (74.1°F).Heat index
The average heat index in September is calculated to be a blazing hot 46°C (114.8°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.Always consider that heat index estimations are for light winds and places in the shade. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
In Chalán, Colombia, the average relative humidity in September is 83%.Rainfall
In Chalán, during September, the rain falls for 25.8 days and regularly aggregates up to 103mm (4.06") of precipitation. Throughout the year, there are 261.6 rainfall days, and 1161mm (45.71") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 10min.On the first day of September, sunrise is at 05:52 and sunset at 18:09. On the last day of the month, sunrise is at 05:49 and sunset at 17:52 -05.
Sunshine
In Chalán, Colombia, the average sunshine in September is 9.8h.UV index
January through September and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 7 in September transforms into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chalán, Colombia
- Average high temperature in September: 32.1°C
The warmest month (with the highest average high temperature) is February (35.6°C).
The month with the lowest average high temperature is November (30.9°C).
- Average low temperature in September: 23.4°C
The months with the highest average low temperature are March and April (25.1°C).
The coldest month (with the lowest average low temperature) is December (22.8°C).
Average pressure in September
Chalán, Colombia
- Average pressure in September: 1009.3mbar
The months with the highest atmospheric pressure are May and September (1009.3mbar).
The months with the lowest atmospheric pressure are February and December (1008.6mbar).
Average wind speed in September
Chalán, Colombia
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (7.7km/h).
The calmest months (with the lowest average wind speed) are May, June, November and December (6.1km/h).
Average humidity in September
Chalán, Colombia
- Average humidity in September: 83%
The months with the highest relative humidity are October and November (85%).
The month with the lowest relative humidity is February (65%).
Average rainfall in September
Chalán, Colombia
- Average rainfall in September: 103mm
The wettest month (with the highest rainfall) is October (174mm).
The driest months (with the least rainfall) are January and February (19mm).
Average rainfall days in September
Chalán, Colombia
- Average rainfall days in September: 25.8 days
The month with the highest number of rainy days is October (28.5 days).
The month with the least rainy days is February (10.8 days).
Average daylight in September /
Average sunshine in September
Chalán, 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 36min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Chalán, Colombia
- Average sunshine days in September: 2.7 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is November (1.7 days).
Average UV index in September
Chalán, Colombia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September and December (UV index 7).
The months with the lowest UV index are October and November (UV index 6).
Average cloud cover in September
Chalán, Colombia
- Average cloud cover in September: 38
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 23).
Average visibility in September
Chalán, Colombia
- Average visibility in September: 8km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are August, September, October and November (8km).
