September weather forecastFormoso, Brazil
September
Weather in September
The first month of the spring, September, is still a hot month in Formoso, Brazil, with an average temperature varying between 19°C (66.2°F) and 32.6°C (90.7°F).Temperature
September is the month when Formoso's temperatures reach their peak, with averages of 32.6°C (90.7°F) and lows of 19°C (66.2°F).Heat index
The heat index in September is estimated at a hot 34°C (93.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
With an average relative humidity of 43%, September is the least humid month in Formoso, Brazil.Rainfall
In Formoso, during September, the rain falls for 4.8 days and regularly aggregates up to 12mm (0.47") of precipitation. In Formoso, during the entire year, the rain falls for 182.2 days and collects up to 1008mm (39.69") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 06:09 and sunset at 17:59. On the last day of September, sunrise is at 05:47 and sunset at 18:01 -03.
Sunshine
With an average of 9.7h of sunshine, September has the most sunshine of the year.UV index
August and September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun 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
Formoso, Brazil
- Average high temperature in September: 32.6°C
The warmest month (with the highest average high temperature) is September (32.6°C).
The month with the lowest average high temperature is May (26.6°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is October (20.9°C).
The coldest month (with the lowest average low temperature) is July (14.9°C).
Average pressure in September
Formoso, Brazil
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Formoso, Brazil
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest month (with the lowest average wind speed) is March (5.5km/h).
Average humidity in September
Formoso, Brazil
- Average humidity in September: 43%
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is September (43%).
Average rainfall in September
Formoso, Brazil
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is November (188mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Formoso, Brazil
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (1.3 days).
Average daylight in September /
Average sunshine in September
Formoso, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
Formoso, Brazil
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is November (3.6 days).
Average UV index in September
Formoso, Brazil
- Average UV index in September: 7
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 6).
Average cloud cover in September
Formoso, Brazil
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Formoso, 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, November and December (8km).
