September weather forecastFernandópolis, Brazil
September
Weather in September
September, the first month of the spring in Fernandópolis, is still a hot month, with an average temperature fluctuating between 20°C (68°F) and 33.1°C (91.6°F).Temperature
September stands out as Fernandópolis's warmest month, with temperatures ranging between an average high of 33.1°C (91.6°F) and a low of 20°C (68°F).Heat index
September's heat index is calculated to be a very hot 36°C (96.8°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. 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 highly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Fernandópolis, the average relative humidity in September is 49%.Rainfall
In Fernandópolis, in September, it is raining for 8.6 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, there are 207.2 rainfall days, and 1290mm (50.79") of precipitation is accumulated.Daylight
In September, the average length of the day in Fernandópolis is 11h and 59min.On the first day of the month, sunrise is at 06:28 and sunset at 18:12. On the last day of September, in Fernandópolis, Brazil, sunrise is at 06:02 and sunset at 18:19 -03.
Sunshine
In Fernandópolis, the average sunshine in September is 9.5h.UV index
The months with the lowest UV index in Fernandópolis are January through July, September through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fernandópolis, Brazil
- Average high temperature in September: 33.1°C
The warmest month (with the highest average high temperature) is September (33.1°C).
The month with the lowest average high temperature is June (25.8°C).
- Average low temperature in September: 20°C
The months with the highest average low temperature are January, November and December (21.4°C).
The coldest month (with the lowest average low temperature) is June (16.2°C).
Average pressure in September
Fernandópolis, Brazil
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is July (1017.5mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in September
Fernandópolis, Brazil
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is August (10.2km/h).
The calmest month (with the lowest average wind speed) is February (6.6km/h).
Average humidity in September
Fernandópolis, Brazil
- Average humidity in September: 49%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (48%).
Average rainfall in September
Fernandópolis, Brazil
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is January (222mm).
The driest months (with the least rainfall) are July and August (8mm).
Average rainfall days in September
Fernandópolis, Brazil
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is January (29.1 days).
The month with the least rainy days is August (3.3 days).
Average daylight in September /
Average sunshine in September
Fernandópolis, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Fernandópolis, Brazil
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (27 days).
The month with the least sunshine days is February (1.1 days).
Average UV index in September
Fernandópolis, Brazil
- Average UV index in September: 6
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 6).
Average cloud cover in September
Fernandópolis, Brazil
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Fernandópolis, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (8km).





