September weather forecastJustinópolis, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Justinópolis, Brazil, with an average temperature fluctuating between 15.5°C (59.9°F) and 28.1°C (82.6°F).Temperature
The warmest period is September, when temperatures fluctuate between an average high of 28.1°C (82.6°F) and a low of 15.5°C (59.9°F).Heat index
The heat index in September is appraised at a hot 30°C (86°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Understand that the heat index values take into account shaded locations and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
September is the least humid month, with an average relative humidity of 65%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Justinópolis, during the entire year, the rain falls for 220.5 days and collects up to 1358mm (53.46") of precipitation.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:03 and sunset at 17:47. On the last day of September, in Justinópolis, sunrise is at 05:37 and sunset at 17:53 -03.
Sunshine
With an average of 9.4h of sunshine, September has the most sunshine of the year in Justinópolis, Brazil.UV index
The months with the highest UV index in Justinópolis are January, August and September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Justinópolis, Brazil
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is September (28.1°C).
The month with the lowest average high temperature is June (23.1°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is December (18.5°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).
Average pressure in September
Justinópolis, Brazil
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Justinópolis, Brazil
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is September (10km/h).
The calmest month (with the lowest average wind speed) is March (7km/h).
Average humidity in September
Justinópolis, Brazil
- Average humidity in September: 65%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Justinópolis, Brazil
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (248mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Justinópolis, Brazil
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is August (5.8 days).
Average daylight in September /
Average sunshine in September
Justinópolis, 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: 11h and 0min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).
Average sunshine days in September
Justinópolis, Brazil
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is December (1.1 days).
Average UV index in September
Justinópolis, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, August and September (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, October, November and December (UV index 5).
Average cloud cover in September
Justinópolis, Brazil
- Average cloud cover in September: 23
The months with the most cloud cover are March and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Justinópolis, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
