September weather forecastCotia, Brazil
September
Weather in September
September, the first month of the spring in Cotia, is a warm month, with an average temperature varying between 14.5°C (58.1°F) and 24.5°C (76.1°F).Temperature
In the transition from August to September, Cotia reports an average high-temperature of a moderately hot 24.5°C (76.1°F), indicating a close resemblance to the prior month. In Cotia, an average temperature of 14.5°C (58.1°F) is noted during September nights.Humidity
The months with the lowest humidity in Cotia are August and September, with an average relative humidity of 75%.Rainfall
In Cotia, Brazil, during September, the rain falls for 7.4 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, there are 136.2 rainfall days, and 263mm (10.35") of precipitation is accumulated.Daylight
The average length of the day in September in Cotia is 11h and 58min.On the first day of the month, sunrise is at 06:17 and sunset at 17:57. On the last day of September, sunrise is at 05:48 and sunset at 18:06 -03.
Sunshine
With an average of 8h of sunshine, September has the most sunshine of the year in Cotia.UV index
The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cotia, Brazil
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is June (20.5°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is January (18.7°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).
Average pressure in September
Cotia, Brazil
- Average pressure in September: 1017.2mbar
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
Cotia, Brazil
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is November (10.7km/h).
The calmest month (with the lowest average wind speed) is February (8.3km/h).
Average humidity in September
Cotia, Brazil
- Average humidity in September: 75%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in September
Cotia, Brazil
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is January (52mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in September
Cotia, Brazil
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is August (4.3 days).
Average daylight in September /
Average sunshine in September
Cotia, 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 0min
The month with the most sunshine is September (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Cotia, Brazil
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in September
Cotia, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Cotia, Brazil
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Cotia, Brazil
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
