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 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
Weather in September
Temperature
Rio Casca's September reports an average high-temperature of a still moderately hot 26.8°C (80.2°F), exhibiting a minor difference from August. The average temperature in Rio Casca during September nights dips to a mild 15.5°C (59.9°F).Humidity
With an average relative humidity of 71%, September is the least humid month in Rio Casca.Rainfall
In September, in Rio Casca, Brazil, the rain falls for 11.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Rio Casca, during the entire year, the rain falls for 212.2 days and collects up to 1103mm (43.43") of precipitation.Daylight
In Rio Casca, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 05:58 and sunset at 17:42. On the last day of the month, sunrise is at 05:32 and sunset at 17:48 -03.
Sunshine
With an average of 8.5h of sunshine, September has the most sunshine of the year.UV index
The months with the lowest UV index in Rio Casca, Brazil, are February through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Rio Casca?
What is the least humid month in Rio Casca?
What is the average humidity in September in Rio Casca?
How many days does it rain in September in Rio Casca?
How many hours of daylight does Rio Casca have in September?
When are sunrise and sunset in September in Rio Casca?
What month has the most sunshine in Rio Casca?
How long on average sun shines in September in Rio Casca?
What are the months with the lowest UV index in Rio Casca?
How high is the UV index in September in Rio Casca?
Average temperature in September
Rio Casca, Brazil
- Average high temperature in September: 26.8°C
The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).
Average pressure in September
Rio Casca, Brazil
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Rio Casca, Brazil
- Average wind speed in September: 8.3km/h
The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).
Average humidity in September
Rio Casca, Brazil
- Average humidity in September: 71%
The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).
Average rainfall in September
Rio Casca, Brazil
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Rio Casca, Brazil
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in September /
Average sunshine in September
Rio Casca, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in September
Rio Casca, Brazil
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in September
Rio Casca, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Rio Casca, Brazil
- Average cloud cover in September: 35
The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Rio Casca, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (6km).
Rio Casca, Brazil
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