September weather forecastArenápolis, Brazil
September
Weather in September
The first month of the spring, September, is a very hot month in Arenápolis, Brazil, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 35.7°C (96.3°F).Temperature
September is Arenápolis's warmest month, registering average high temperatures of 35.7°C (96.3°F) and lows of 22.5°C (72.5°F).Heat index
The heat index value for September is appraised at a blisteringly hot 40°C (104°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In September, the average relative humidity is 44%.Rainfall
In September, the rain falls for 9.1 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 208 rainfall days, and 1253mm (49.33") of precipitation is accumulated.Daylight
In Arenápolis, Brazil, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 05:51 and sunset at 17:42. On the last day of September, sunrise is at 05:30 and sunset at 17:43 -04.
Sunshine
The average sunshine in September in Arenápolis is 9.5h.UV index
July through October, with an average maximum UV index of 7, are months with the highest UV index in Arenápolis. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arenápolis, Brazil
- Average high temperature in September: 35.7°C
The warmest month (with the highest average high temperature) is September (35.7°C).
The month with the lowest average high temperature is February (28.8°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is October (22.8°C).
The coldest month (with the lowest average low temperature) is July (17.7°C).
Average pressure in September
Arenápolis, Brazil
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is July (1015.1mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Arenápolis, Brazil
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is August (8.1km/h).
The calmest month (with the lowest average wind speed) is March (5.4km/h).
Average humidity in September
Arenápolis, Brazil
- Average humidity in September: 44%
The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is August (40%).
Average rainfall in September
Arenápolis, Brazil
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is February (226mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Arenápolis, Brazil
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (1.1 days).
Average daylight in September /
Average sunshine in September
Arenápolis, 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 18min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Arenápolis, Brazil
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (0.6 days).
Average UV index in September
Arenápolis, Brazil
- Average UV index in September: 7
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in September
Arenápolis, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Arenápolis, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (7km).
