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 sea temperature 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 Praia Grande welcomes September, the average high-temperature stabilizes at a warm 23°C (73.4°F), showing little deviation from August's 22.4°C (72.3°F). In Praia Grande, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 18.4°C (65.1°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Praia Grande, during September, the rain falls for 15.7 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, in Praia Grande, there are 193 rainfall days, and 923mm (36.34") of precipitation is accumulated.Sea temperature
The month with the coldest seawater is September, with an average sea temperature of 20.6°C (69.1°F).Note: Most people do not find pleasure in swimming when the water temperature is 20.6°C (69.1°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Praia Grande, Brazil, is 11h and 58min.On the first day of the month, sunrise is at 06:15 and sunset at 17:54. On the last day of September, in Praia Grande, sunrise is at 05:46 and sunset at 18:04 -03.
Sunshine
In September, the average sunshine is 7.4h.UV index
May, July through September, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the temperature in September in Praia Grande?
What is the average humidity in September in Praia Grande?
How many days does it rain in September in Praia Grande?
What is the month with the coldest sea water in Praia Grande?
How cold is the water in September in Praia Grande?
How many hours of daylight does Praia Grande have in September?
When is the sunrise / sunset in September in Praia Grande?
How long on average sun shines in September in Praia Grande?
When is the lowest UV index in Praia Grande?
How high is the UV index in September in Praia Grande?
Average temperature in September
Praia Grande, Brazil
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is February (28°C).
The month with the lowest average high temperature is July (22.2°C).
- Average low temperature in September: 18.4°C
The months with the highest average low temperature are January and February (23.3°C).
The coldest month (with the lowest average low temperature) is July (17.4°C).
Average pressure in September
Praia Grande, 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 (1011.6mbar).
Average wind speed in September
Praia Grande, Brazil
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is November (11.3km/h).
The calmest month (with the lowest average wind speed) is February (9.5km/h).
Average humidity in September
Praia Grande, Brazil
- Average humidity in September: 81%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Praia Grande, Brazil
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is January (122mm).
The driest month (with the least rainfall) is May (42mm).
Average rainfall days in September
Praia Grande, Brazil
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is January (22.5 days).
The month with the least rainy days is June (9.4 days).
Average sea temperature in September
Praia Grande, Brazil
- Average sea temperature in September: 20.6°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 (20.6°C).
Average daylight in September /
Average sunshine in September
Praia Grande, 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 2min
The months with the most sunshine are February and May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Praia Grande, Brazil
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is June (19.4 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in September
Praia Grande, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are May, July, August and September (UV index 5).
Average cloud cover in September
Praia Grande, Brazil
- Average cloud cover in September: 40
The month with the most cloud cover is November (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Praia Grande, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (10km).
The months with the lowest visibility are September, October and November (9km).
Praia Grande, Brazil
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