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
September
Weather in September
Temperature
As Alto Grande steps into September, the average high-temperature is measured at a still tropical 30.6°C (87.1°F), displaying minor differences from August's 30.7°C (87.3°F). Alto Grande documents a substantial deviation from daytime highs with a consistent low-temperature of 18°C (64.4°F) during September nights.Heat index
In September, the average heat index is estimated at a hot 34°C (93.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
August and September, with an average relative humidity of 60%, are the least humid months.Rainfall
In Alto Grande, in September, during 18.5 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, in Alto Grande, there are 227.8 rainfall days, and 694mm (27.32") of precipitation is accumulated.Daylight
In Alto Grande, the average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:41 and sunset at 18:56. On the last day of September, in Alto Grande, sunrise is at 06:37 and sunset at 18:41 -04.
Sunshine
February, September and December, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Alto Grande have in September?
When are sunrise and sunset in September?
What is the month with the most sunshine?
How long on average sun shines in September?
What is the month with the highest UV index?
What is the month with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Alto Grande, Venezuela
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The months with the lowest average high temperature are January and December (28.8°C).
- Average low temperature in September: 18°C
The months with the highest average low temperature are April and May (18.4°C).
The coldest month (with the lowest average low temperature) is January (16°C).
Average pressure in September
Alto Grande, Venezuela
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Alto Grande, Venezuela
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is July (8km/h).
The calmest month (with the lowest average wind speed) is November (4.5km/h).
Average humidity in September
Alto Grande, Venezuela
- Average humidity in September: 60%
The month with the highest relative humidity is November (68%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in September
Alto Grande, Venezuela
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is April (96mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Alto Grande, Venezuela
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is January (11.3 days).
Average daylight in September /
Average sunshine in September
Alto Grande, Venezuela
- Average daylight in September: 12h and 1min
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 42min).
- Average sunshine in September: 9h and 4min
The months with the most sunshine are February, September and December (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 9h and 6min).
Average sunshine days in September
Alto Grande, Venezuela
- Average sunshine days in September: 5 days
The month with the most sunshine days is January (13.6 days).
The month with the least sunshine days is October (2.5 days).
Average UV index in September
Alto Grande, Venezuela
- 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
Alto Grande, Venezuela
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 32).
The month with the least cloud cover is December (Cloud cover 20).
Average visibility in September
Alto Grande, Venezuela
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September and December (10km).
The months with the lowest visibility are May, October and November (9km).
