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
In September, Ribeirão do Largo experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 27.1°C (80.8°F), closely mirroring the climate in August. In Ribeirão do Largo, the average temperature during the nights of September drops to a refreshing 16.6°C (61.9°F).Heat index
Throughout September, the heat index is estimated at a tropical 30°C (86°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. 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 value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The least humid month in Ribeirão do Largo, Brazil, is September, with an average relative humidity of 79%.Rainfall
September is the month with the least rainfall. Rain falls for 15.7 days and accumulates 19mm (0.75") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:48 and sunset at 17:37. On the last day of September, sunrise is at 05:25 and sunset at 17:39 -03.
Sunshine
In September, the average sunshine in Ribeirão do Largo is 6.2h.UV index
The months with the highest UV index are January through April, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 6 transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the average September temperature in Ribeirão do Largo?
What is the least humid month in Ribeirão do Largo?
What is the average humidity in September in Ribeirão do Largo?
What is the driest month in Ribeirão do Largo?
How much does it rain in Ribeirão do Largo in September?
How many hours of daylight does Ribeirão do Largo have in September?
What time are sunrise and sunset in September in Ribeirão do Largo?
How many hours of sunshine does Ribeirão do Largo have in September?
What is the month with the highest UV index in Ribeirão do Largo?
What is the UV index intensity in September in Ribeirão do Largo?
Average temperature in September
Ribeirão do Largo, Brazil
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is February (29.8°C).
The month with the lowest average high temperature is July (24.8°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is March (19.3°C).
The coldest month (with the lowest average low temperature) is August (15.4°C).
Average pressure in September
Ribeirão do Largo, Brazil
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is December (1013.1mbar).
Average wind speed in September
Ribeirão do Largo, Brazil
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is October (8km/h).
The calmest months (with the lowest average wind speed) are March and April (5.6km/h).
Average humidity in September
Ribeirão do Largo, Brazil
- Average humidity in September: 79%
The month with the highest relative humidity is May (87%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Ribeirão do Largo, Brazil
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Ribeirão do Largo, Brazil
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (12.7 days).
Average daylight in September /
Average sunshine in September
Ribeirão do Largo, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 48min).
Average sunshine days in September
Ribeirão do Largo, Brazil
- Average sunshine days in September: 7.2 days
The months with the most sunshine days are January and February (12.1 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in September
Ribeirão do Largo, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 5).
Average cloud cover in September
Ribeirão do Largo, Brazil
- Average cloud cover in September: 60
The month with the most cloud cover is May (Cloud cover 70).
The month with the least cloud cover is September (Cloud cover 60).
Average visibility in September
Ribeirão do Largo, Brazil
- Average visibility in September: 6km
The month with the highest visibility is October (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (6km).
Ribeirão do Largo, Brazil
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