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
The arrival of September marks a slight shift to an average high-temperature of a still moderately hot 28.9°C (84°F) from August's 27.3°C (81.1°F). São Sebastião do Umbuzeiro throughout September, experiences an average nighttime temperature of 17.2°C (63°F).Heat index
In September, the heat index is appraised at a hot 33°C (91.4°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In São Sebastião do Umbuzeiro, Brazil, the average relative humidity in September is 70%.Rainfall
September is the month with the least rainfall in São Sebastião do Umbuzeiro, Brazil. Rain falls for 5.2 days and accumulates 4mm (0.16") of precipitation.Daylight
In São Sebastião do Umbuzeiro, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:28 and sunset at 17:26. On the last day of the month, sunrise is at 05:12 and sunset at 17:23 -03.
Sunshine
In September, the average sunshine is 8.8h.UV index
In São Sebastião do Umbuzeiro, Brazil, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in São Sebastião do Umbuzeiro in September?
What is the average humidity in September in São Sebastião do Umbuzeiro?
What is the driest month in São Sebastião do Umbuzeiro?
How much does it rain in São Sebastião do Umbuzeiro in September?
How many hours of daylight does São Sebastião do Umbuzeiro have in September?
When are sunrise and sunset in September in São Sebastião do Umbuzeiro?
How long on average sun shines in September in São Sebastião do Umbuzeiro?
What is the UV index reading in September in São Sebastião do Umbuzeiro?
Average temperature in September
São Sebastião do Umbuzeiro, Brazil
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is November (31.6°C).
The month with the lowest average high temperature is July (26°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is March (19.9°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).
Average pressure in September
São Sebastião do Umbuzeiro, Brazil
- Average pressure in September: 1015.8mbar
The months with the highest atmospheric pressure are July and August (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in September
São Sebastião do Umbuzeiro, Brazil
- Average wind speed in September: 17.9km/h
The windiest month (with the highest average wind speed) is October (18.2km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
São Sebastião do Umbuzeiro, Brazil
- Average humidity in September: 70%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are November and December (62%).
Average rainfall in September
São Sebastião do Umbuzeiro, Brazil
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is March (104mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
São Sebastião do Umbuzeiro, Brazil
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is April (18.3 days).
The month with the least rainy days is September (5.2 days).
Average daylight in September /
Average sunshine in September
São Sebastião do Umbuzeiro, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is November (Average sunshine: 9h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).
Average sunshine days in September
São Sebastião do Umbuzeiro, Brazil
- Average sunshine days in September: 20.9 days
The months with the most sunshine days are September and October (20.9 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
São Sebastião do Umbuzeiro, Brazil
- Average UV index in September: 6
The months with the highest UV index are February and November (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
São Sebastião do Umbuzeiro, Brazil
- Average cloud cover in September: 35
The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is November (Cloud cover 24).
Average visibility in September
São Sebastião do Umbuzeiro, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (8km).
