September weather forecastSorocaba, Brazil
September
Weather in September
As the city transitions into spring in September, the temperature and rainfall register a minor increment from August. Despite this, days remain warm and dry, making it perfect for outdoor explorations. The city experiences an increase in humidity along with a higher chance of rainfall. Nevertheless, the weather conditions are mostly pleasant during the day and cool during the night. The longer daylight hours also mean more sunshine and less cloud cover.Temperature
The onset of September notes an average high-temperature of a still warm 26°C (78.8°F), subtly shifted from August's 24°C (75.2°F). Nighttime temperatures in Sorocaba hover around an average low of 15.4°C (59.7°F) in September.Humidity
August and September, with an average relative humidity of 70%, are the least humid months in Sorocaba.Rainfall
In Sorocaba, during September, the rain falls for 9.6 days and regularly aggregates up to 50mm (1.97") of precipitation. Throughout the year, there are 163.3 rainfall days, and 803mm (31.61") of precipitation is accumulated.Daylight
The average length of the day in September in Sorocaba is 11h and 58min.On the first day of the month, sunrise is at 06:19 and sunset at 17:59. On the last day of September, in Sorocaba, sunrise is at 05:50 and sunset at 18:08 -03.
Sunshine
The month with the most sunshine in Sorocaba is September, with an average of 8.8h of sunshine.UV index
The months with the lowest UV index are April through September and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sorocaba, Brazil
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is December (28.1°C).
The month with the lowest average high temperature is June (21.3°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is January (19.2°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).
Average pressure in September
Sorocaba, Brazil
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Sorocaba, Brazil
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is October (11.5km/h).
The calmest months (with the lowest average wind speed) are February and June (8.6km/h).
Average humidity in September
Sorocaba, Brazil
- Average humidity in September: 70%
The months with the highest relative humidity are May and June (83%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in September
Sorocaba, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is January (160mm).
The driest month (with the least rainfall) is August (30mm).
Average rainfall days in September
Sorocaba, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is January (22.3 days).
The month with the least rainy days is August (5.9 days).
Average daylight in September /
Average sunshine in September
Sorocaba, 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 48min
The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Sorocaba, Brazil
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in September
Sorocaba, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and December (UV index 5).
Average cloud cover in September
Sorocaba, Brazil
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Sorocaba, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May and June (8km).





