September weather forecastPirapemas, Brazil
September
Weather in September
The first month of the spring, September, is also a hot month in Pirapemas, Brazil, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 34.5°C (94.1°F).Temperature
The introduction of September notes a subtle temperature variation to a still hot 34.5°C (94.1°F) from August's 32.9°C (91.2°F). September nights in Pirapemas are characterized by a significant departure from the daytime highs, dropping to an average temperature of 22.5°C (72.5°F).Heat index
Throughout September, the heat index is calculated to be a blazing hot 49°C (120.2°F). Be prepared: Heat cramps and heat exhaustion are probable. Continued activity may lead to heatstroke.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 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity is 70%.Rainfall
August and September are months with the least rain in Pirapemas when the rain falls for 14.6 days and typically aggregates up to 22mm (0.87") of rain.Daylight
In September, the average length of the day is 12h and 5min.On the first day of the month, sunrise is at 05:55 and sunset at 17:58. On the last day of September, in Pirapemas, sunrise is at 05:42 and sunset at 17:50 -03.
Sunshine
The average sunshine in September is 8.2h.UV index
The months with the highest UV index are May, July through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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
Pirapemas, Brazil
- Average high temperature in September: 34.5°C
The warmest month (with the highest average high temperature) is October (35°C).
The months with the lowest average high temperature are April and May (29.8°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is November (23.6°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure in September
Pirapemas, Brazil
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in September
Pirapemas, Brazil
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is October (9.4km/h).
The calmest month (with the lowest average wind speed) is May (5.3km/h).
Average humidity in September
Pirapemas, Brazil
- Average humidity in September: 70%
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Pirapemas, Brazil
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is March (158mm).
The driest months (with the least rainfall) are August and September (22mm).
Average rainfall days in September
Pirapemas, Brazil
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is January (27.8 days).
The month with the least rainy days is September (14.6 days).
Average daylight in September /
Average sunshine in September
Pirapemas, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The months with the least sunshine are April and May (Average sunshine: 5h and 48min).
Average sunshine days in September
Pirapemas, Brazil
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is August (12 days).
The month with the least sunshine days is February (2.3 days).
Average UV index in September
Pirapemas, Brazil
- Average UV index in September: 7
The months with the highest UV index are May, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, June and December (UV index 6).
Average cloud cover in September
Pirapemas, Brazil
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
Pirapemas, Brazil
- Average visibility in September: 9km
The months with the highest visibility are September, October and November (9km).
The months with the lowest visibility are February, March, April and May (6km).
