September weather forecastAruanã, Brazil
September
Weather in September
September, the first month of the spring in Aruanã, is a fiery hot month, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 35.9°C (96.6°F).Temperature
September, on average, is the warmest month, registering a high temperature of 35.9°C (96.6°F) and a low of 22°C (71.6°F).Humidity
September is the least humid month, with an average relative humidity of 39%.Rainfall
In Aruanã, in September, during 7.3 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Aruanã, during the entire year, the rain falls for 184.4 days and collects up to 657mm (25.87") of precipitation.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 06:29 and sunset at 18:19. On the last day of September, sunrise is at 06:07 and sunset at 18:20 -03.
Sunshine
In Aruanã, Brazil, the average sunshine in September is 9.7h.UV index
The months with the highest UV index in Aruanã are August and September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 7 in September leads to these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aruanã, Brazil
- Average high temperature in September: 35.9°C
The warmest month (with the highest average high temperature) is September (35.9°C).
The month with the lowest average high temperature is May (28.8°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is October (22.5°C).
The coldest month (with the lowest average low temperature) is July (16.8°C).
Average pressure in September
Aruanã, Brazil
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is July (1015.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Aruanã, Brazil
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is August (7.1km/h).
The calmest month (with the lowest average wind speed) is March (4.8km/h).
Average humidity in September
Aruanã, Brazil
- Average humidity in September: 39%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is September (39%).
Average rainfall in September
Aruanã, Brazil
- Average rainfall in September: 13mm
The wettest months (with the highest rainfall) are November and December (104mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Aruanã, Brazil
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is December (26.5 days).
The month with the least rainy days is July (0.8 days).
Average daylight in September /
Average sunshine in September
Aruanã, 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 months with the most sunshine are June, July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Aruanã, Brazil
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is November (2.9 days).
Average UV index in September
Aruanã, 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
Aruanã, Brazil
- Average cloud cover in September: 16
The months with the most cloud cover are January and December (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Aruanã, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January and March (7km).





