September weather forecastMadre de Deus, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Madre de Deus, Brazil, with an average temperature fluctuating between 27.5°C (81.5°F) and 20.5°C (68.9°F).Temperature
Shifting into September, Madre de Deus records an average high-temperature of a still moderately hot 27.5°C (81.5°F), presenting minor fluctuations compared to the previous month. September brings an average low-temperature of 20.5°C (68.9°F) to Madre de Deus.Heat index
The heat index in September is appraised at a hot 31°C (87.8°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall in Madre de Deus. Rain falls for 15.6 days and accumulates 32mm (1.26") of precipitation.Sea temperature
In Madre de Deus, in September, the average water temperature is 25.8°C (78.4°F).Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.
Daylight
In September, the average length of the day is 12h and 2min.On the first day of September, sunrise is at 05:38 and sunset at 17:30. On the last day of the month, sunrise is at 05:17 and sunset at 17:30 -03.
Sunshine
In September, the average sunshine is 7.7h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Madre de Deus, Brazil
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is March (31.7°C).
The month with the lowest average high temperature is July (26.3°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is March (23.4°C).
The coldest month (with the lowest average low temperature) is August (20.1°C).
Average pressure in September
Madre de Deus, Brazil
- Average pressure in September: 1017.2mbar
The months with the highest atmospheric pressure are July and August (1018.3mbar).
The month with the lowest atmospheric pressure is March (1012.3mbar).
Average wind speed in September
Madre de Deus, Brazil
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is September (10.9km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).
Average humidity in September
Madre de Deus, Brazil
- Average humidity in September: 79%
The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are January and February (75%).
Average rainfall in September
Madre de Deus, Brazil
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in September
Madre de Deus, Brazil
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is May (23.6 days).
The month with the least rainy days is December (13.1 days).
Average sea temperature in September
Madre de Deus, Brazil
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is March (28.6°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).
Average daylight in September /
Average sunshine in September
Madre de Deus, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is January (Average sunshine: 10h and 24min).
The month with the least sunshine is May (Average sunshine: 6h and 48min).
Average sunshine days in September
Madre de Deus, Brazil
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is December (14.6 days).
The month with the least sunshine days is June (4.5 days).
Average UV index in September
Madre de Deus, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 6).
Average cloud cover in September
Madre de Deus, Brazil
- Average cloud cover in September: 39
The month with the most cloud cover is May (Cloud cover 47).
The months with the least cloud cover are January, February and March (Cloud cover 35).
Average visibility in September
Madre de Deus, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
