September weather forecastBarra do Ribeiro, Brazil
September
Weather in September
The first month of the spring, September, is still a pleasant month in Barra do Ribeiro, Brazil, with an average temperature varying between 21.8°C (71.2°F) and 13.3°C (55.9°F).Temperature
September's onset records an average high-temperature of a still pleasant 21.8°C (71.2°F), a near match to August's 20.8°C (69.4°F). Throughout September nights, Barra do Ribeiro registers an average low-temperature of 13.3°C (55.9°F).Humidity
In Barra do Ribeiro, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 14.6 days. Throughout September, 72mm (2.83") of precipitation is accumulated. Throughout the year, in Barra do Ribeiro, there are 162.4 rainfall days, and 881mm (34.69") of precipitation is accumulated.Daylight
In September, the average length of the day in Barra do Ribeiro is 11h and 55min.On the first day of the month, sunrise is at 06:39 and sunset at 18:10. On the last day of September, sunrise is at 06:03 and sunset at 18:26 -03.
Sunshine
With an average of 7.3h of sunshine, September has the least sunshine of the year.UV index
In Barra do Ribeiro, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barra do Ribeiro, Brazil
- Average high temperature in September: 21.8°C
The warmest months (with the highest average high temperature) are January and February (30.1°C).
The month with the lowest average high temperature is July (18.3°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (10.5°C).
Average pressure in September
Barra do Ribeiro, Brazil
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Barra do Ribeiro, Brazil
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is October (13km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).
Average humidity in September
Barra do Ribeiro, Brazil
- Average humidity in September: 81%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is December (73%).
Average rainfall in September
Barra do Ribeiro, Brazil
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is April (46mm).
Average rainfall days in September
Barra do Ribeiro, Brazil
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is June (10.9 days).
Average daylight in September /
Average sunshine in September
Barra do Ribeiro, Brazil
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is December (Average sunshine: 8h and 36min).
The month with the least sunshine is September (Average sunshine: 7h and 18min).
Average sunshine days in September
Barra do Ribeiro, Brazil
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in September
Barra do Ribeiro, Brazil
- Average UV index in September: 5
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Barra do Ribeiro, Brazil
- Average cloud cover in September: 39
The month with the most cloud cover is September (Cloud cover 39).
The month with the least cloud cover is November (Cloud cover 29).
Average visibility in September
Barra do Ribeiro, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
