September weather forecastRocha Leão, Brazil
September
Weather in September
September, the first month of the spring in Rocha Leão, is still a warm month, with an average temperature ranging between max 25.2°C (77.4°F) and min 19.3°C (66.7°F).Temperature
The arrival of September records an average high-temperature of a still moderately hot 25.2°C (77.4°F), closely related to the 24.3°C (75.7°F) observed in August. Rocha Leão's nighttime temperature in September drops to an average of 19.3°C (66.7°F).Humidity
The months with the lowest humidity in Rocha Leão are August and September, with an average relative humidity of 78%.Rainfall
In Rocha Leão, in September, during 9.9 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Rocha Leão, during the entire year, the rain falls for 179.7 days and collects up to 674mm (26.54") of precipitation.Daylight
In Rocha Leão, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 05:57 and sunset at 17:38. On the last day of September, sunrise is at 05:28 and sunset at 17:46 -03.
Sunshine
In Rocha Leão, Brazil, the average sunshine in September is 8.2h.UV index
The months with the lowest UV index are July and September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rocha Leão, Brazil
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is February (29.1°C).
The month with the lowest average high temperature is June (24.1°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is January (23.1°C).
The coldest month (with the lowest average low temperature) is August (18.3°C).
Average pressure in September
Rocha Leão, Brazil
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in September
Rocha Leão, Brazil
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is September (15.8km/h).
The calmest month (with the lowest average wind speed) is March (10.9km/h).
Average humidity in September
Rocha Leão, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are November and December (84%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Rocha Leão, Brazil
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is June (18mm).
Average rainfall days in September
Rocha Leão, Brazil
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (8.9 days).
Average daylight in September /
Average sunshine in September
Rocha Leão, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).
Average sunshine days in September
Rocha Leão, Brazil
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is August (19.5 days).
The months with the least sunshine days are March and December (5.8 days).
Average UV index in September
Rocha Leão, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are July and September (UV index 5).
Average cloud cover in September
Rocha Leão, Brazil
- Average cloud cover in September: 32
The month with the most cloud cover is November (Cloud cover 48).
The months with the least cloud cover are February, June and July (Cloud cover 27).
Average visibility in September
Rocha Leão, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
