September weather forecastUmuarama, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Umuarama, Brazil, with an average temperature fluctuating between 16.6°C (61.9°F) and 27.8°C (82°F).Temperature
As Umuarama welcomes September, the average high-temperature stabilizes at a still moderately hot 27.8°C (82°F), showing little deviation from August's 25.2°C (77.4°F). September brings with it a nighttime average temperature of 16.6°C (61.9°F) in Umuarama.Heat index
For most parts of September, the heat index is appraised at a tropical 30°C (86°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
September is the least humid month, with an average relative humidity of 68%.Rainfall
In Umuarama, in September, it is raining for 10.2 days, with typically 56mm (2.2") of accumulated precipitation. In Umuarama, during the entire year, the rain falls for 176.1 days and collects up to 1057mm (41.61") of precipitation.Daylight
In Umuarama, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:43 and sunset at 18:22. On the last day of the month, sunrise is at 06:13 and sunset at 18:32 -03.
Sunshine
In September, the average sunshine is 8.8h.UV index
January through March, August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Umuarama, Brazil
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is December (29.9°C).
The month with the lowest average high temperature is June (22°C).
- Average low temperature in September: 16.6°C
The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (13.8°C).
Average pressure in September
Umuarama, Brazil
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Umuarama, Brazil
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is August (11km/h).
The calmest month (with the lowest average wind speed) is March (7.5km/h).
Average humidity in September
Umuarama, Brazil
- Average humidity in September: 68%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Umuarama, Brazil
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is January (127mm).
The driest month (with the least rainfall) is August (50mm).
Average rainfall days in September
Umuarama, Brazil
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is January (22 days).
The month with the least rainy days is August (7.5 days).
Average daylight in September /
Average sunshine in September
Umuarama, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 30min).
Average sunshine days in September
Umuarama, Brazil
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Umuarama, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 6).
The month with the lowest UV index is May (UV index 4).
Average cloud cover in September
Umuarama, Brazil
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Umuarama, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September, October and November (9km).
The months with the lowest visibility are May and June (7km).
