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
The transition into September notes an average high-temperature of a moderately hot 25.2°C (77.4°F), revealing a mild distinction from the 22.8°C (73°F) in August. The average low-temperature of 13.4°C (56.1°F) is witnessed during September.Humidity
September is the least humid month, with an average relative humidity of 75%.Rainfall
In São José da Boa Vista, in September, during 11.6 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In São José da Boa Vista, during the entire year, the rain falls for 218.2 days and collects up to 1124mm (44.25") of precipitation.Daylight
In September, the average length of the day is 11h and 58min.On the first day of September in São José da Boa Vista, sunrise is at 06:28 and sunset at 18:07. On the last day of the month, sunrise is at 05:59 and sunset at 18:17 -03.
Sunshine
In September, the average sunshine in São José da Boa Vista, Brazil, is 8.6h.UV index
In September, the average daily maximum UV index in São José da Boa Vista is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in São José da Boa Vista?
What is the least humid month in São José da Boa Vista?
What is the average humidity in September in São José da Boa Vista?
How much does it rain in São José da Boa Vista in September?
How many hours of daylight does São José da Boa Vista have in September?
When is the sunrise / sunset in September in São José da Boa Vista?
How long on average sun shines in September in São José da Boa Vista?
What is the UV index intensity in September in São José da Boa Vista?
Average temperature in September
São José da Boa Vista, Brazil
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is December (27.4°C).
The month with the lowest average high temperature is June (20.2°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is June (11.2°C).
Average pressure in September
São José da Boa Vista, Brazil
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in September
São José da Boa Vista, Brazil
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is November (8.1km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).
Average humidity in September
São José da Boa Vista, Brazil
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (87%).
The month with the lowest relative humidity is September (75%).
Average rainfall in September
São José da Boa Vista, Brazil
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is January (205mm).
The driest month (with the least rainfall) is August (38mm).
Average rainfall days in September
São José da Boa Vista, Brazil
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (8.1 days).
Average daylight in September /
Average sunshine in September
São José da Boa Vista, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
São José da Boa Vista, Brazil
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (1.9 days).
Average UV index in September
São José da Boa Vista, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and March (UV index 6).
The month with the lowest UV index is May (UV index 4).
Average cloud cover in September
São José da Boa Vista, Brazil
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
São José da Boa Vista, Brazil
- Average visibility in September: 8km
The months with the highest visibility are August, September, October and November (8km).
The months with the lowest visibility are May and June (6km).
