September weather forecastMariápolis, Brazil
September
Weather in September
September, the first month of the spring in Mariápolis, is a hot month, with an average temperature ranging between max 30.4°C (86.7°F) and min 18.3°C (64.9°F).Temperature
Mariápolis's average high-temperature in September sits at a tropical 30.4°C (86.7°F), showing little difference from the previous month. Mariápolis's September nights see a large temperature deviation, with temperatures resting at a low of 18.3°C (64.9°F).Heat index
The heat index value during September is calculated to be a tropical 33°C (91.4°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
August and September, with an average relative humidity of 59%, are the least humid months in Mariápolis.Rainfall
In Mariápolis, in September, it is raining for 9.6 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, there are 196.8 rainfall days, and 1260mm (49.61") of precipitation is accumulated.Daylight
In Mariápolis, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:33 and sunset at 18:15. On the last day of September, sunrise is at 06:05 and sunset at 18:23 -03.
Sunshine
In Mariápolis, Brazil, the average sunshine in September is 9.1h.UV index
The months with the highest UV index are January through March, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 6 in September transforms into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mariápolis, Brazil
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is June (24.1°C).
- Average low temperature in September: 18.3°C
The months with the highest average low temperature are January and December (21.3°C).
The coldest months (with the lowest average low temperature) are June and July (15.3°C).
Average pressure in September
Mariápolis, Brazil
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in September
Mariápolis, Brazil
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest months (with the lowest average wind speed) are February and March (7.8km/h).
Average humidity in September
Mariápolis, Brazil
- Average humidity in September: 59%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August and September (59%).
Average rainfall in September
Mariápolis, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is July (29mm).
Average rainfall days in September
Mariápolis, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is January (28.5 days).
The month with the least rainy days is August (5.3 days).
Average daylight in September /
Average sunshine in September
Mariápolis, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Mariápolis, Brazil
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is January (2 days).
Average UV index in September
Mariápolis, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April and May (UV index 5).
Average cloud cover in September
Mariápolis, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Mariápolis, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).





