September weather forecastUna, Brazil
September
Weather in September
September, the first month of the spring in Una, is also a moderately hot month, with an average temperature ranging between max 26.1°C (79°F) and min 21.4°C (70.5°F).Temperature
Una notes an average high-temperature of a still warm 26.1°C (79°F) in September, hardly diverging from August. September in Una, Brazil, is characterized by a steady nighttime low-temperature of 21.4°C (70.5°F).Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall in Una is September, when the rain falls for 10.4 days and typically collects 15mm (0.59") of precipitation.Daylight
In Una, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:41 and sunset at 17:30. On the last day of September, in Una, sunrise is at 05:19 and sunset at 17:33 -03.
Sunshine
In September, the average sunshine in Una is 7.6h.UV index
The months with the lowest UV index are April through October, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Fend off overexposure. Sun protection is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Una, Brazil
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is March (29.8°C).
The month with the lowest average high temperature is July (25.6°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is January (23.7°C).
The coldest months (with the lowest average low temperature) are July and August (20.3°C).
Average pressure in September
Una, Brazil
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Una, Brazil
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is October (11.8km/h).
The calmest months (with the lowest average wind speed) are February and April (9.3km/h).
Average humidity in September
Una, Brazil
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is February (78%).
Average rainfall in September
Una, Brazil
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is April (50mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in September
Una, Brazil
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is April (19.4 days).
The month with the least rainy days is September (10.4 days).
Average daylight in September /
Average sunshine in September
Una, 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: 7h and 36min
The month with the most sunshine is February (Average sunshine: 10h and 36min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Una, Brazil
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is April (7.8 days).
Average UV index in September
Una, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 6).
Average cloud cover in September
Una, Brazil
- Average cloud cover in September: 41
The month with the most cloud cover is November (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 35).
Average visibility in September
Una, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (9km).
