September weather forecastArês, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Arês, Brazil, with an average temperature varying between 23.3°C (73.9°F) and 28.6°C (83.5°F).Temperature
September's start comes with an average high-temperature of a still moderately hot 28.6°C (83.5°F), in line with August's temperature. Arês registers a consistent average low-temperature of 23.3°C (73.9°F) during September.Heat index
For most parts of September, the heat index is estimated at a hot 33°C (91.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Note that heat index values are valued for light wind and location in the shade. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In September, the average relative humidity in Arês is 75%.Rainfall
In Arês, Brazil, in September, during 13.7 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Arês, during the entire year, the rain falls for 173.2 days and collects up to 403mm (15.87") of precipitation.Daylight
In September, the average length of the day is 12h and 5min.On the first day of September in Arês, sunrise is at 05:20 and sunset at 17:20. On the last day of the month, sunrise is at 05:05 and sunset at 17:15 -03.
Sunshine
In September, the average sunshine in Arês is 8.1h.UV index
January through June, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 7 during September translates into the following guidance:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arês, Brazil
- Average high temperature in September: 28.6°C
The warmest months (with the highest average high temperature) are February and March (30.8°C).
The month with the lowest average high temperature is July (28.1°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is August (22.7°C).
Average pressure in September
Arês, Brazil
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is August (1015.1mbar).
The month with the lowest atmospheric pressure is February (1011.2mbar).
Average wind speed in September
Arês, Brazil
- Average wind speed in September: 24.1km/h
The windiest month (with the highest average wind speed) is September (24.1km/h).
The calmest month (with the lowest average wind speed) is April (16.6km/h).
Average humidity in September
Arês, Brazil
- Average humidity in September: 75%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Arês, Brazil
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is November (7mm).
Average rainfall days in September
Arês, Brazil
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (9.4 days).
Average daylight in September /
Average sunshine in September
Arês, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are March and November (Average sunshine: 8h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).
Average sunshine days in September
Arês, Brazil
- Average sunshine days in September: 5.9 days
The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is September (5.9 days).
Average UV index in September
Arês, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).
Average cloud cover in September
Arês, Brazil
- Average cloud cover in September: 40
The month with the most cloud cover is July (Cloud cover 49).
The months with the least cloud cover are March and November (Cloud cover 37).
Average visibility in September
Arês, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
