September weather forecastPiraju, Brazil
September
Weather in September
September, the first month of the spring in Piraju, is also a moderately hot month, with temperature in the range of an average high of 27.9°C (82.2°F) and an average low of 15.6°C (60.1°F).Temperature
With the transition into September, Piraju notes an average high-temperature of a still warm 27.9°C (82.2°F), closely resembling August. Piraju reports a substantial plunge from daytime highs during the nights of September, with an average low-temperature of 15.6°C (60.1°F).Heat index
In September, the average heat index is evaluated at a tropical 30°C (86°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The least humid month is September, with an average relative humidity of 67%.Rainfall
In September, in Piraju, the rain falls for 9.2 days. Throughout September, 52mm (2.05") of precipitation is accumulated. Throughout the year, there are 192.1 rainfall days, and 1089mm (42.87") of precipitation is accumulated.Daylight
The average length of the day in September in Piraju is 11h and 58min.On the first day of September in Piraju, Brazil, sunrise is at 06:27 and sunset at 18:07. On the last day of the month, sunrise is at 05:58 and sunset at 18:16 -03.
Sunshine
In September, the average sunshine in Piraju is 8.9h.UV index
January, March, August through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Piraju, Brazil
- Average high temperature in September: 27.9°C
The warmest months (with the highest average high temperature) are October and December (28.7°C).
The month with the lowest average high temperature is June (22.2°C).
- Average low temperature in September: 15.6°C
The month with the highest average low temperature is January (19.4°C).
The coldest months (with the lowest average low temperature) are June and July (13.3°C).
Average pressure in September
Piraju, Brazil
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
Piraju, Brazil
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is September (10.7km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity in September
Piraju, Brazil
- Average humidity in September: 67%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (67%).
Average rainfall in September
Piraju, Brazil
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is January (200mm).
The driest month (with the least rainfall) is August (27mm).
Average rainfall days in September
Piraju, Brazil
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is January (26.5 days).
The month with the least rainy days is August (5.4 days).
Average daylight in September /
Average sunshine in September
Piraju, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Piraju, Brazil
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is February (3.1 days).
Average UV index in September
Piraju, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, March, August, September, October and November (UV index 6).
The months with the lowest UV index are February, April, May, June, July and December (UV index 5).
Average cloud cover in September
Piraju, Brazil
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Piraju, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
