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
September
Weather in September
Temperature
The commencement of September brings an average high-temperature of a still warm 29°C (84.2°F), marking an inconsequential divergence from August. Serra Preta throughout September, experiences an average nighttime temperature of 18.7°C (65.7°F).Heat index
For September, the heat index is calculated to be a tropical 34°C (93.2°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Serra Preta, Brazil, is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 17.7 days and typically collects 19mm (0.75") of precipitation.Daylight
In Serra Preta, the average length of the day in September is 12h and 2min.On the first day of September in Serra Preta, sunrise is at 05:40 and sunset at 17:33. On the last day of the month, sunrise is at 05:20 and sunset at 17:33 -03.
Sunshine
The average sunshine in September is 6.5h.UV index
The average daily maximum UV index in September in Serra Preta is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 6 in September suggests the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Serra Preta in September?
What is the average humidity in September in Serra Preta?
What is the driest month in Serra Preta?
How much does it rain in Serra Preta in September?
What is the average length of the day in September in Serra Preta?
What time are sunrise and sunset in September in Serra Preta?
How many hours of sunshine does Serra Preta have in September?
What is the UV index reading in September in Serra Preta?
Average temperature in September
Serra Preta, Brazil
- Average high temperature in September: 29°C
The warmest months (with the highest average high temperature) are February and March (33°C).
The month with the lowest average high temperature is July (26.8°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is March (22.3°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).
Average pressure in September
Serra Preta, Brazil
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are March and December (1012.6mbar).
Average wind speed in September
Serra Preta, Brazil
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is September (12.1km/h).
The calmest month (with the lowest average wind speed) is April (10.2km/h).
Average humidity in September
Serra Preta, Brazil
- Average humidity in September: 77%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (70%).
Average rainfall in September
Serra Preta, Brazil
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is March (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Serra Preta, Brazil
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is June (22.3 days).
The month with the least rainy days is February (15.1 days).
Average daylight in September /
Average sunshine in September
Serra Preta, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 5h and 6min).
Average sunshine days in September
Serra Preta, Brazil
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is March (10.8 days).
The months with the least sunshine days are June and August (4.6 days).
Average UV index in September
Serra Preta, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Serra Preta, Brazil
- Average cloud cover in September: 50
The months with the most cloud cover are May and June (Cloud cover 62).
The month with the least cloud cover is February (Cloud cover 40).
Average visibility in September
Serra Preta, Brazil
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, October, November and December (9km).
The months with the lowest visibility are May, June, July and August (7km).
