September weather forecastBertioga, Brazil
September
Weather in September
The first month of the spring, September, is still a pleasant month in Bertioga, Brazil, with an average temperature ranging between max 22.7°C (72.9°F) and min 18.5°C (65.3°F).Temperature
Bertioga marks the start of September with an average high-temperature of a still pleasant 22.7°C (72.9°F), hinting at a slight fluctuation from August's 22.2°C (72°F). During September, Bertioga's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a refreshing 18.5°C (65.3°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Bertioga, in September, it is raining for 12.6 days, with typically 43mm (1.69") of accumulated precipitation. In Bertioga, Brazil, during the entire year, the rain falls for 191.3 days and collects up to 819mm (32.24") of precipitation.Sea temperature
September is the month with the coldest seawater, with an average sea temperature of 20.7°C (69.3°F).Note: For most people, swimming in water at 20.7°C (69.3°F) is not a pleasurable experience. Breathing control gets harder as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Bertioga is 11h and 58min.On the first day of the month, sunrise is at 06:14 and sunset at 17:53. On the last day of September, in Bertioga, sunrise is at 05:44 and sunset at 18:03 -03.
Sunshine
In September, the average sunshine is 7.6h.UV index
May, July through September, with an average maximum UV index of 5, are months with the lowest UV index in Bertioga, Brazil. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bertioga, Brazil
- Average high temperature in September: 22.7°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is July (22°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (17.5°C).
Average pressure in September
Bertioga, Brazil
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Bertioga, Brazil
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is February (9.8km/h).
Average humidity in September
Bertioga, Brazil
- Average humidity in September: 80%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Bertioga, Brazil
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is February (125mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days in September
Bertioga, Brazil
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (9.1 days).
Average sea temperature in September
Bertioga, Brazil
- Average sea temperature in September: 20.7°C
The best month for swimming (with the highest average sea temperature) is February (27°C).
The coldest month (with the lowest average sea temperature) is September (20.7°C).
Average daylight in September /
Average sunshine in September
Bertioga, 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: 7h and 36min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in September
Bertioga, Brazil
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (3.5 days).
Average UV index in September
Bertioga, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, July, August and September (UV index 5).
Average cloud cover in September
Bertioga, Brazil
- Average cloud cover in September: 38
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Bertioga, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
