September weather forecastBelém de Maria, Brazil
September
Weather in September
September, the first month of the spring in Belém de Maria, is still a warm month, with an average temperature varying between 26.8°C (80.2°F) and 18.8°C (65.8°F).Temperature
Transitioning into September, Belém de Maria records an average high-temperature of a still moderately hot 26.8°C (80.2°F), almost identical to August's 25.9°C (78.6°F). In the month of September, Belém de Maria records a consistent average low-temperature of 18.8°C (65.8°F).Humidity
In September, the average relative humidity in Belém de Maria is 85%.Rainfall
In Belém de Maria, during September, the rain falls for 20.2 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 200.6 rainfall days, and 433mm (17.05") of precipitation is accumulated.Daylight
In September, the average length of the day in Belém de Maria is 12h and 4min.On the first day of September in Belém de Maria, sunrise is at 05:24 and sunset at 17:21. On the last day of the month, sunrise is at 05:07 and sunset at 17:18 -03.
Sunshine
The average sunshine in September is 6.5h.UV index
The months with the highest UV index are January through May, September through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard 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:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Belém de Maria, Brazil
- Average high temperature in September: 26.8°C
The warmest month (with the highest average high temperature) is March (31°C).
The month with the lowest average high temperature is July (25.3°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is March (21.8°C).
The coldest month (with the lowest average low temperature) is August (18.6°C).
Average pressure in September
Belém de Maria, Brazil
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is August (1016.9mbar).
The months with the lowest atmospheric pressure are February and March (1012.2mbar).
Average wind speed in September
Belém de Maria, Brazil
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is April (7.7km/h).
Average humidity in September
Belém de Maria, Brazil
- Average humidity in September: 85%
The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is December (77%).
Average rainfall in September
Belém de Maria, Brazil
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (84mm).
The driest months (with the least rainfall) are November and December (13mm).
Average rainfall days in September
Belém de Maria, Brazil
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is March (11 days).
Average daylight in September /
Average sunshine in September
Belém de Maria, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is March (Average sunshine: 7h and 18min).
The month with the least sunshine is July (Average sunshine: 5h and 12min).
Average sunshine days in September
Belém de Maria, Brazil
- Average sunshine days in September: 4.6 days
The month with the most sunshine days is March (19.1 days).
The month with the least sunshine days is August (2 days).
Average UV index in September
Belém de Maria, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 5).
Average cloud cover in September
Belém de Maria, Brazil
- Average cloud cover in September: 60
The month with the most cloud cover is July (Cloud cover 68).
The months with the least cloud cover are March, November and December (Cloud cover 50).
Average visibility in September
Belém de Maria, Brazil
- Average visibility in September: 7km
The months with the highest visibility are February and December (9km).
The months with the lowest visibility are May, June and July (6km).





