September weather forecastRio dos Índios, Brazil
September
Weather in September
September, the first month of the spring in Rio dos Índios, is a warm month, with temperature in the range of an average low of 12.6°C (54.7°F) and an average high of 24.1°C (75.4°F).Temperature
The shift into September records an average high-temperature of a moderately hot 24.1°C (75.4°F), subtly varied from August's 22°C (71.6°F). During September, the nighttime temperature in Rio dos Índios averages to a fresh 12.6°C (54.7°F).Humidity
With an average relative humidity of 78%, September is the least humid month in Rio dos Índios.Rainfall
In Rio dos Índios, in September, it is raining for 13.3 days, with typically 92mm (3.62") of accumulated precipitation. In Rio dos Índios, during the entire year, the rain falls for 208.7 days and collects up to 1557mm (61.3") of precipitation.Snowfall
In Rio dos Índios, snow does not fall in January through June, September through December.Daylight
In September, the average length of the day is 11h and 57min.On the first day of September in Rio dos Índios, sunrise is at 06:43 and sunset at 18:18. On the last day of the month, sunrise is at 06:10 and sunset at 18:31 -03.
Sunshine
In Rio dos Índios, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Rio dos Índios is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. 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
Rio dos Índios, Brazil
- Average high temperature in September: 24.1°C
The warmest months (with the highest average high temperature) are January and February (28.4°C).
The month with the lowest average high temperature is June (19.1°C).
- Average low temperature in September: 12.6°C
The months with the highest average low temperature are January and February (17.8°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).
Average pressure in September
Rio dos Índios, Brazil
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
Rio dos Índios, Brazil
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is August (9.3km/h).
The calmest month (with the lowest average wind speed) is March (7.7km/h).
Average humidity in September
Rio dos Índios, Brazil
- Average humidity in September: 78%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Rio dos Índios, Brazil
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is October (179mm).
The driest month (with the least rainfall) is August (79mm).
Average rainfall days in September
Rio dos Índios, Brazil
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is January (22.9 days).
The month with the least rainy days is August (12.5 days).
Average snowfall days in September
Rio dos Índios, Brazil
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are July and August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Rio dos Índios, Brazil
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is November (Average sunshine: 8h and 42min).
The months with the least sunshine are May and June (Average sunshine: 7h and 24min).
Average sunshine days in September
Rio dos Índios, Brazil
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is August (16.7 days).
The month with the least sunshine days is February (5 days).
Average UV index in September
Rio dos Índios, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February and March (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Rio dos Índios, Brazil
- Average cloud cover in September: 32
The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Rio dos Índios, Brazil
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The month with the lowest visibility is May (7km).
