September weather forecastCaseiros, Brazil
September
Weather in September
The first month of the spring, September, is an agreeable month in Caseiros, Brazil, with temperature in the range of an average high of 21°C (69.8°F) and an average low of 11.3°C (52.3°F).Temperature
As August transitions into September, the average high-temperature rests at an agreeable 21°C (69.8°F), maintaining a close resemblance to the previous month. September in Caseiros sees the temperature falling to a mean low of 11.3°C (52.3°F).Humidity
The average relative humidity in September in Caseiros is 85%.Rainfall
In Caseiros, during September, the rain falls for 14 days and regularly aggregates up to 77mm (3.03") of precipitation. In Caseiros, during the entire year, the rain falls for 171.3 days and collects up to 1098mm (43.23") of precipitation.Snowfall
January through June, August through December are months without snowfall in Caseiros.Daylight
The average length of the day in September is 11h and 56min.On the first day of September in Caseiros, sunrise is at 06:39 and sunset at 18:13. On the last day of the month, sunrise is at 06:05 and sunset at 18:27 -03.
Sunshine
In Caseiros, Brazil, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. 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
Caseiros, Brazil
- Average high temperature in September: 21°C
The warmest months (with the highest average high temperature) are January and December (26.8°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in September: 11.3°C
The months with the highest average low temperature are January and February (17°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in September
Caseiros, Brazil
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Caseiros, Brazil
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is August (12.2km/h).
The calmest month (with the lowest average wind speed) is February (9.5km/h).
Average humidity in September
Caseiros, Brazil
- Average humidity in September: 85%
The month with the highest relative humidity is June (88%).
The months with the lowest relative humidity are November and December (80%).
Average rainfall in September
Caseiros, Brazil
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is October (133mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in September
Caseiros, Brazil
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is August (12.2 days).
Average snowfall days in September
Caseiros, 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
Caseiros, Brazil
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is November (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in September
Caseiros, Brazil
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Caseiros, Brazil
- Average UV index in September: 5
The months with the highest UV index are November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 4).
Average cloud cover in September
Caseiros, Brazil
- Average cloud cover in September: 43
The month with the most cloud cover is May (Cloud cover 49).
The months with the least cloud cover are August and November (Cloud cover 38).
Average visibility in September
Caseiros, Brazil
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February and May (7km).
