September weather forecastOnia, Venezuela
September
Weather in September
The first month of the autumn, September, is still a hot month in Onia, Venezuela, with an average temperature varying between 20.5°C (68.9°F) and 30.9°C (87.6°F).Temperature
The arrival of September is marked by an average high-temperature of a still tropical 30.9°C (87.6°F), bearing a close resemblance to August. Onia, in September, observes a steady average low-temperature of 20.5°C (68.9°F).Heat index
During September, the heat index is appraised at a fiery hot 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.For clarity, heat index numbers account for light winds and areas under shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
August and September, with an average relative humidity of 65%, are the least humid months.Rainfall
In Onia, Venezuela, in September, during 21.2 rainfall days, 73mm (2.87") of precipitation is typically accumulated. Throughout the year, there are 239.2 rainfall days, and 849mm (33.43") of precipitation is accumulated.Daylight
In Onia, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:38 and sunset at 18:54. On the last day of the month, sunrise is at 06:34 and sunset at 18:38 -04.
Sunshine
With an average of 9.6h of sunshine, September has the most sunshine of the year.UV index
The months with the lowest UV index are January through June, September through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Onia, Venezuela
- Average high temperature in September: 30.9°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (28.4°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is May (21°C).
The coldest month (with the lowest average low temperature) is January (18.3°C).
Average pressure in September
Onia, Venezuela
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in September
Onia, Venezuela
- Average wind speed in September: 5km/h
The windiest month (with the highest average wind speed) is August (5.2km/h).
The calmest month (with the lowest average wind speed) is April (4km/h).
Average humidity in September
Onia, Venezuela
- Average humidity in September: 65%
The month with the highest relative humidity is November (73%).
The months with the lowest relative humidity are August and September (65%).
Average rainfall in September
Onia, Venezuela
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is April (106mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in September
Onia, Venezuela
- Average rainfall days in September: 21.2 days
The month with the highest number of rainy days is October (25.1 days).
The month with the least rainy days is February (10.9 days).
Average daylight in September /
Average sunshine in September
Onia, Venezuela
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 8h and 42min).
Average sunshine days in September
Onia, Venezuela
- Average sunshine days in September: 4.5 days
The month with the most sunshine days is January (14.9 days).
The month with the least sunshine days is October (3.4 days).
Average UV index in September
Onia, Venezuela
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, September, October, November and December (UV index 6).
Average cloud cover in September
Onia, Venezuela
- Average cloud cover in September: 24
The month with the most cloud cover is April (Cloud cover 34).
The month with the least cloud cover is January (Cloud cover 23).
Average visibility in September
Onia, Venezuela
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
