September weather forecastPiúma, Brazil
September
Weather in September
September, the first month of the spring in Piúma, is also a moderately hot month, with temperature in the range of an average low of 19.8°C (67.6°F) and an average high of 26.3°C (79.3°F).Temperature
The shift into September uncovers an average high-temperature of a still moderately hot 26.3°C (79.3°F), subtly different from the previous month. The low-temperature averages to an enjoyable 19.8°C (67.6°F) during the nights of September.Humidity
August and September, with an average relative humidity of 75%, are the least humid months.Rainfall
In Piúma, in September, during 10.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Piúma, Brazil, during the entire year, the rain falls for 164.4 days and collects up to 657mm (25.87") of precipitation.Sea temperature
With an average sea temperature of 22.9°C (73.2°F), September is the month with the coldest seawater.Note: For someone sensitive to cold, swimming in 22.9°C (73.2°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
Daylight
The average length of the day in September in Piúma is 11h and 59min.On the first day of the month, sunrise is at 05:51 and sunset at 17:34. On the last day of September, sunrise is at 05:24 and sunset at 17:41 -03.
Sunshine
The average sunshine in September in Piúma is 8.2h.UV index
The months with the lowest UV index in Piúma are March through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Piúma, Brazil
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is February (30.2°C).
The month with the lowest average high temperature is July (24.9°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is February (23.3°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).
Average pressure in September
Piúma, Brazil
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in September
Piúma, Brazil
- Average wind speed in September: 15.9km/h
The windiest months (with the highest average wind speed) are September and October (15.9km/h).
The calmest month (with the lowest average wind speed) is May (10.1km/h).
Average humidity in September
Piúma, Brazil
- Average humidity in September: 75%
The months with the highest relative humidity are April, November and December (81%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in September
Piúma, Brazil
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Piúma, Brazil
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is November (19.6 days).
The month with the least rainy days is February (9.5 days).
Average sea temperature in September
Piúma, Brazil
- Average sea temperature in September: 22.9°C
The best months for swimming (with the highest average sea temperature) are March and April (26.3°C).
The coldest month (with the lowest average sea temperature) is September (22.9°C).
Average daylight in September /
Average sunshine in September
Piúma, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is February (Average sunshine: 9h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).
Average sunshine days in September
Piúma, Brazil
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Piúma, Brazil
- Average UV index in September: 6
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Piúma, Brazil
- Average cloud cover in September: 31
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in September
Piúma, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
