September weather forecastRio Manso, Brazil
September
Weather in September
September, the first month of the spring in Rio Manso, is still a warm month, with an average temperature ranging between min 15.2°C (59.4°F) and max 28.2°C (82.8°F).Temperature
September is the month when Rio Manso's temperatures reach their peak, with averages of 28.2°C (82.8°F) and lows of 15.2°C (59.4°F).Heat index
Throughout September, the heat index is appraised at a hot 30°C (86°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
With an average relative humidity of 64%, September is the least humid month.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, in Rio Manso, there are 227.6 rainfall days, and 1519mm (59.8") of precipitation is accumulated.Daylight
In Rio Manso, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:05 and sunset at 17:48. On the last day of the month, sunrise is at 05:38 and sunset at 17:55 -03.
Sunshine
The month with the most sunshine in Rio Manso is September, with an average of 9.3h of sunshine.UV index
The months with the lowest UV index in Rio Manso are January through July, September through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. 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
Rio Manso, Brazil
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is September (28.2°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is December (17.9°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).
Average pressure in September
Rio Manso, Brazil
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Rio Manso, Brazil
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is September (9.1km/h).
The calmest months (with the lowest average wind speed) are March, April and May (6.7km/h).
Average humidity in September
Rio Manso, Brazil
- Average humidity in September: 64%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (64%).
Average rainfall in September
Rio Manso, Brazil
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (249mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Rio Manso, Brazil
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (5.2 days).
Average daylight in September /
Average sunshine in September
Rio Manso, 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: 9h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Rio Manso, Brazil
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is December (1.2 days).
Average UV index in September
Rio Manso, Brazil
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 5).
Average cloud cover in September
Rio Manso, Brazil
- Average cloud cover in September: 25
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Rio Manso, 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 March and April (6km).
