September weather forecastPacajus, Brazil
September
Weather in September
September, the first month of the spring in Pacajus, is still a hot month, with an average temperature fluctuating between 22.6°C (72.7°F) and 32.2°C (90°F).Temperature
September's presence marks an average high-temperature of a still hot 32.2°C (90°F), subtly varied from August's 31.7°C (89.1°F). During the nights in September, an average low-temperature of 22.6°C (72.7°F) is observed in Pacajus.Heat index
September's average heat index is appraised at an extremely hot 40°C (104°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 68%.Rainfall
The month with the least rainfall in Pacajus is September, when the rain falls for 5.6 days and typically collects 3mm (0.12") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:32 and sunset at 17:34. On the last day of September, in Pacajus, Brazil, sunrise is at 05:19 and sunset at 17:27 -03.
Sunshine
In Pacajus, the average sunshine in September is 8.8h.UV index
January through March, May through December, with an average maximum UV index of 7, are months with the highest UV index in Pacajus. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pacajus, Brazil
- Average high temperature in September: 32.2°C
The warmest month (with the highest average high temperature) is October (32.5°C).
The month with the lowest average high temperature is June (30.3°C).
- Average low temperature in September: 22.6°C
The month with the highest average low temperature is December (24.6°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).
Average pressure in September
Pacajus, Brazil
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Pacajus, Brazil
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is September (19.2km/h).
The calmest month (with the lowest average wind speed) is April (11.2km/h).
Average humidity in September
Pacajus, Brazil
- Average humidity in September: 68%
The month with the highest relative humidity is April (81%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in September
Pacajus, Brazil
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is April (94mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in September
Pacajus, Brazil
- Average rainfall days in September: 5.6 days
The month with the highest number of rainy days is April (23.8 days).
The month with the least rainy days is September (5.6 days).
Average daylight in September /
Average sunshine in September
Pacajus, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is March (Average sunshine: 6h and 54min).
Average sunshine days in September
Pacajus, Brazil
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is September (20.9 days).
The month with the least sunshine days is April (3.7 days).
Average UV index in September
Pacajus, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is April (UV index 6).
Average cloud cover in September
Pacajus, Brazil
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Pacajus, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (9km).
