Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Igarapé Grande's transition from August to September introduces an average high-temperature of a sweltering 35.3°C (95.5°F), marking an insignificant variation from the 34.1°C (93.4°F). From the heights of the September heat, Igarapé Grande records a mean nighttime low of 21.9°C (71.4°F).Heat index
The heat index in September is appraised at a blazing hot 46°C (114.8°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
The least humid month is September, with an average relative humidity of 61%.Rainfall
In Igarapé Grande, during September, the rain falls for 11.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, in Igarapé Grande, Brazil, there are 250.9 rainfall days, and 1361mm (53.58") of precipitation is accumulated.Daylight
In Igarapé Grande, the average length of the day in September is 12h and 5min.On the first day of September, sunrise is at 05:58 and sunset at 18:00. On the last day of the month, sunrise is at 05:44 and sunset at 17:53 -03.
Sunshine
In September, the average sunshine in Igarapé Grande is 8.4h.UV index
July through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. 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. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Igarapé Grande in September?
What is the least humid month in Igarapé Grande?
What is the average humidity in September in Igarapé Grande?
How many days does it rain in September in Igarapé Grande?
What is the average length of the day in September in Igarapé Grande?
When is the sunrise / sunset in September in Igarapé Grande?
How many hours of sunshine does Igarapé Grande have in September?
What is the month with the highest UV index in Igarapé Grande?
How high is the UV index in September in Igarapé Grande?
Average temperature in September
Igarapé Grande, Brazil
- Average high temperature in September: 35.3°C
The warmest month (with the highest average high temperature) is October (35.5°C).
The month with the lowest average high temperature is April (29.8°C).
- Average low temperature in September: 21.9°C
The months with the highest average low temperature are October and November (23.2°C).
The coldest month (with the lowest average low temperature) is July (20.4°C).
Average pressure in September
Igarapé Grande, Brazil
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in September
Igarapé Grande, Brazil
- Average wind speed in September: 7.2km/h
The windiest months (with the highest average wind speed) are September and October (7.2km/h).
The calmest month (with the lowest average wind speed) is April (4.5km/h).
Average humidity in September
Igarapé Grande, Brazil
- Average humidity in September: 61%
The months with the highest relative humidity are March and April (91%).
The month with the lowest relative humidity is September (61%).
Average rainfall in September
Igarapé Grande, Brazil
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is March (230mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Igarapé Grande, Brazil
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is March (30.4 days).
The month with the least rainy days is August (8.3 days).
Average daylight in September /
Average sunshine in September
Igarapé Grande, Brazil
- Average daylight in September: 12h and 1min
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 2min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 5h and 36min).
Average sunshine days in September
Igarapé Grande, Brazil
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is March (0.3 days).
Average UV index in September
Igarapé Grande, Brazil
- Average UV index in September: 7
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover in September
Igarapé Grande, Brazil
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Igarapé Grande, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September, October and November (9km).
The months with the lowest visibility are February, March, April and May (6km).
