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
Weather in September
Temperature
As September unfolds, the average high-temperature reaches a still moderately hot 25°C (77°F), hinting at a slight fluctuation from the previous month. Rio Bonito's average low-temperature during September nights is observed to be a refreshing 17.9°C (64.2°F).Humidity
August and September, with an average relative humidity of 79%, are the least humid months in Rio Bonito.Rainfall
In Rio Bonito, in September, during 14.5 rainfall days, 57mm (2.24") of precipitation is typically accumulated. Throughout the year, there are 219 rainfall days, and 1092mm (42.99") of precipitation is accumulated.Daylight
The average length of the day in September in Rio Bonito is 11h and 58min.On the first day of September in Rio Bonito, sunrise is at 06:00 and sunset at 17:40. On the last day of the month, sunrise is at 05:31 and sunset at 17:49 -03.
Sunshine
In Rio Bonito, the average sunshine in September is 7.9h.UV index
The months with the lowest UV index are April, May, July and September, 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 ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the usual temperature for Rio Bonito in September?
What is the least humid month in Rio Bonito?
What is the average humidity in September in Rio Bonito?
How much does it rain in Rio Bonito in September?
What is the average length of the day in September in Rio Bonito?
When are sunrise and sunset in September in Rio Bonito?
How long on average sun shines in September in Rio Bonito?
When is the lowest UV index in Rio Bonito?
What is the UV index intensity in September in Rio Bonito?
Average temperature in September
Rio Bonito, Brazil
- Average high temperature in September: 25°C
The warmest months (with the highest average high temperature) are January and February (28.9°C).
The month with the lowest average high temperature is July (23.4°C).
- Average low temperature in September: 17.9°C
The months with the highest average low temperature are January and February (21.7°C).
The coldest month (with the lowest average low temperature) is August (16.6°C).
Average pressure in September
Rio Bonito, Brazil
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in September
Rio Bonito, Brazil
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is September (10.7km/h).
The calmest month (with the lowest average wind speed) is March (7.5km/h).
Average humidity in September
Rio Bonito, Brazil
- Average humidity in September: 79%
The months with the highest relative humidity are March, April, November and December (85%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Rio Bonito, Brazil
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is November (184mm).
The driest month (with the least rainfall) is July (31mm).
Average rainfall days in September
Rio Bonito, Brazil
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is December (26.3 days).
The month with the least rainy days is July (11.4 days).
Average daylight in September /
Average sunshine in September
Rio Bonito, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in September
Rio Bonito, Brazil
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is December (2.6 days).
Average UV index in September
Rio Bonito, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, June, August, October, November and December (UV index 6).
The months with the lowest UV index are April, May, July and September (UV index 5).
Average cloud cover in September
Rio Bonito, Brazil
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Rio Bonito, Brazil
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Rio Bonito, Brazil
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