Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the arrival of September, Rio Branco do Sul's average high-temperature registers at a still pleasant 22.6°C (72.7°F), indicating a subtle variation from the previous month. Rio Branco do Sul's temperature lowers to a mean of 12.2°C (54°F) during the nights in September.Humidity
August and September, with an average relative humidity of 83%, are the least humid months in Rio Branco do Sul.Rainfall
In Rio Branco do Sul, during September, the rain falls for 15.9 days and regularly aggregates up to 76mm (2.99") of precipitation. Throughout the year, in Rio Branco do Sul, Brazil, there are 243.3 rainfall days, and 1250mm (49.21") of precipitation is accumulated.Snowfall
In Rio Branco do Sul, Brazil, snow does not fall in January through June, August through December.Daylight
The average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 06:28 and sunset at 18:05. On the last day of September, in Rio Branco do Sul, sunrise is at 05:57 and sunset at 18:16 -03.
Sunshine
August and September, with an average of 7.7h of sunshine, are months with the most sunshine.UV index
January through March, August through December, with an average maximum UV index of 5, are months with the highest UV index in Rio Branco do Sul, Brazil. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Rio Branco do Sul?
What is the least humid month in Rio Branco do Sul?
What is the average humidity in September in Rio Branco do Sul?
How much does it rain in Rio Branco do Sul in September?
When it does not snow in Rio Branco do Sul?
What is the average length of the day in September in Rio Branco do Sul?
What time are sunrise and sunset in September in Rio Branco do Sul?
What is the month with the most sunshine in Rio Branco do Sul?
How long on average sun shines in September in Rio Branco do Sul?
What are the months with the highest UV index in Rio Branco do Sul?
How high is the UV index in September in Rio Branco do Sul?
Average temperature in September
Rio Branco do Sul, Brazil
- Average high temperature in September: 22.6°C
The warmest months (with the highest average high temperature) are January, February and December (25.9°C).
The month with the lowest average high temperature is June (18.8°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is January (17.2°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in September
Rio Branco do Sul, Brazil
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in September
Rio Branco do Sul, Brazil
- Average wind speed in September: 6.6km/h
The windiest months (with the highest average wind speed) are October and November (7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in September
Rio Branco do Sul, Brazil
- Average humidity in September: 83%
The months with the highest relative humidity are March, May and June (89%).
The months with the lowest relative humidity are August and September (83%).
Average rainfall in September
Rio Branco do Sul, Brazil
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is January (160mm).
The driest month (with the least rainfall) is August (68mm).
Average rainfall days in September
Rio Branco do Sul, Brazil
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is December (25.5 days).
The month with the least rainy days is August (13.5 days).
Average snowfall in September
Rio Branco do Sul, Brazil
- Average snowfall in September: 0mm
The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days in September
Rio Branco do Sul, Brazil
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Rio Branco do Sul, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are August and September (Average sunshine: 7h and 42min).
The month with the least sunshine is May (Average sunshine: 6h and 24min).
Average sunshine days in September
Rio Branco do Sul, Brazil
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is August (14.1 days).
The month with the least sunshine days is February (3 days).
Average UV index in September
Rio Branco do Sul, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 5).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in September
Rio Branco do Sul, Brazil
- Average cloud cover in September: 53
The months with the most cloud cover are January, February and March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 48).
Average visibility in September
Rio Branco do Sul, Brazil
- Average visibility in September: 7km
The months with the highest visibility are August and September (7km).
The month with the lowest visibility is May (5km).
