September weather forecastBalsa Nova, Brazil
September
Weather in September
The first month of the spring, September, is still a pleasant month in Balsa Nova, Brazil, with temperature in the range of an average high of 22.5°C (72.5°F) and an average low of 12.1°C (53.8°F).Temperature
At the start of September, Balsa Nova's average high-temperature reaches a still pleasant 22.5°C (72.5°F), subtly different from the preceding month. Balsa Nova experiences an average temperature drop to a cool 12.1°C (53.8°F) during September nights.Humidity
September is the least humid month, with an average relative humidity of 81%.Rainfall
In Balsa Nova, in September, during 12.7 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, in Balsa Nova, there are 227.4 rainfall days, and 1225mm (48.23") of precipitation is accumulated.Daylight
In September, the average length of the day in Balsa Nova, Brazil, is 11h and 58min.On the first day of September, sunrise is at 06:29 and sunset at 18:06. On the last day of the month, sunrise is at 05:58 and sunset at 18:18 -03.
Sunshine
The month with the most sunshine in Balsa Nova, Brazil, is September, with an average of 7.8h of sunshine.UV index
The months with the lowest UV index in Balsa Nova are April through July and September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Balsa Nova, Brazil
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is December (25.8°C).
The month with the lowest average high temperature is June (18.2°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is January (16.8°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in September
Balsa Nova, Brazil
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.3mbar).
Average wind speed in September
Balsa Nova, Brazil
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is October (9.1km/h).
The calmest month (with the lowest average wind speed) is April (7.1km/h).
Average humidity in September
Balsa Nova, Brazil
- Average humidity in September: 81%
The months with the highest relative humidity are May and June (89%).
The month with the lowest relative humidity is September (81%).
Average rainfall in September
Balsa Nova, Brazil
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is January (172mm).
The driest month (with the least rainfall) is July (61mm).
Average rainfall days in September
Balsa Nova, Brazil
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is January (27 days).
The month with the least rainy days is August (9.8 days).
Average daylight in September /
Average sunshine in September
Balsa Nova, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is September (Average sunshine: 7h and 48min).
The month with the least sunshine is May (Average sunshine: 6h and 18min).
Average sunshine days in September
Balsa Nova, Brazil
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (1.9 days).
Average UV index in September
Balsa Nova, Brazil
- Average UV index in September: 4
The months with the highest UV index are January, February, March, August, October, November and December (UV index 5).
The months with the lowest UV index are April, May, June, July and September (UV index 4).
Average cloud cover in September
Balsa Nova, Brazil
- Average cloud cover in September: 49
The months with the most cloud cover are January, February and March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Balsa Nova, Brazil
- Average visibility in September: 7km
The months with the highest visibility are July, August, September, October, November and December (7km).
The months with the lowest visibility are January, February, March, April, May and June (6km).








