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
Transitioning into September, Bias Fortes experiences an average high-temperature of a still moderately hot 25.1°C (77.2°F), marking a minor shift from the preceding month. Bias Fortes's average low-temperature during September nights is observed to be a refreshing 14.2°C (57.6°F).Humidity
The least humid month in Bias Fortes is September, with an average relative humidity of 76%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 53mm (2.09") of precipitation is accumulated. In Bias Fortes, during the entire year, the rain falls for 235.4 days and collects up to 1316mm (51.81") of precipitation.Daylight
In Bias Fortes, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:03 and sunset at 17:45. On the last day of the month, sunrise is at 05:36 and sunset at 17:53 -03.
Sunshine
The months with the most sunshine are August and September, with an average of 8h of sunshine.UV index
January through December, with an average maximum UV index of 5, are months with the highest UV index. The months with the lowest UV index in Bias Fortes are January through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Around midday, solar radiation is most harmful; hence, exposure should be limited. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Bias Fortes?
What is the least humid month in Bias Fortes?
What is the average humidity in September in Bias Fortes?
How much does it rain in Bias Fortes in September?
How many hours of daylight does Bias Fortes have in September?
When is the sunrise / sunset in September in Bias Fortes?
What is the month with the most sunshine in Bias Fortes?
How long on average sun shines in September in Bias Fortes?
What is the month with the highest UV index in Bias Fortes?
What is the month with the lowest UV index in Bias Fortes?
What is the UV index reading in September in Bias Fortes?
Average temperature in September
Bias Fortes, Brazil
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is February (25.6°C).
The month with the lowest average high temperature is June (20.9°C).
- Average low temperature in September: 14.2°C
The months with the highest average low temperature are January and December (17.6°C).
The coldest month (with the lowest average low temperature) is July (12°C).
Average pressure in September
Bias Fortes, Brazil
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in September
Bias Fortes, Brazil
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).
Average humidity in September
Bias Fortes, Brazil
- Average humidity in September: 76%
The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Bias Fortes, Brazil
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is December (251mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days in September
Bias Fortes, Brazil
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is August (9.3 days).
Average daylight in September /
Average sunshine in September
Bias Fortes, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are August and September (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
Bias Fortes, Brazil
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is August (18.6 days).
The month with the least sunshine days is December (1.2 days).
Average UV index in September
Bias Fortes, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Bias Fortes, Brazil
- Average cloud cover in September: 44
The month with the most cloud cover is November (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Bias Fortes, Brazil
- Average visibility in September: 8km
The months with the highest visibility are August and September (8km).
The months with the lowest visibility are April and May (5km).
