Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September is marked by an average high-temperature of a still warm 29.9°C (85.8°F), almost identical to the preceding month. A marked drop from daytime peak temperatures to an average low-temperature of 17.5°C (63.5°F) is observed during the nights in September.Heat index
The heat index value for September is appraised at a hot 32°C (89.6°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Flandes, the average relative humidity in September is 58%.Rainfall
In Flandes, in September, during 19.3 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Flandes, during the entire year, the rain falls for 255.6 days and collects up to 842mm (33.15") of precipitation.Daylight
The average length of the day in September is 12h and 8min.On the first day of September, sunrise is at 05:53 and sunset at 18:04. On the last day of the month, sunrise is at 05:46 and sunset at 17:51 -05.
Sunshine
The average sunshine in September in Flandes is 10.3h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index in Flandes. The months with the lowest UV index in Flandes are January through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
How hot is September in Flandes?
What is the average humidity in September in Flandes?
How much does it rain in Flandes in September?
What is the average length of the day in September in Flandes?
When are sunrise and sunset in September in Flandes?
How many hours of sunshine does Flandes have in September?
What are the months with the highest UV index in Flandes?
What are the months with the lowest UV index in Flandes?
What is the UV index reading in September in Flandes?
Average temperature in September
Flandes, Colombia
- Average high temperature in September: 29.9°C
The warmest month (with the highest average high temperature) is February (30.8°C).
The months with the lowest average high temperature are June and July (28.6°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is December (16.4°C).
Average pressure in September
Flandes, Colombia
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is July (1015.1mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in September
Flandes, Colombia
- Average wind speed in September: 4.5km/h
The windiest months (with the highest average wind speed) are July and August (5.2km/h).
The calmest month (with the lowest average wind speed) is November (2.9km/h).
Average humidity in September
Flandes, Colombia
- Average humidity in September: 58%
The month with the highest relative humidity is November (70%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Flandes, Colombia
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is April (120mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in September
Flandes, Colombia
- Average rainfall days in September: 19.3 days
The month with the highest number of rainy days is May (27.3 days).
The month with the least rainy days is January (13.8 days).
Average daylight in September /
Average sunshine in September
Flandes, Colombia
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 8h and 30min).
Average sunshine days in September
Flandes, Colombia
- Average sunshine days in September: 6.1 days
The month with the most sunshine days is January (11.7 days).
The month with the least sunshine days is April (1.3 days).
Average UV index in September
Flandes, Colombia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Flandes, Colombia
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 30).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in September
Flandes, Colombia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Flandes, Colombia
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