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
São João do Cariri experiences an average high-temperature of a still moderately hot 28.4°C (83.1°F) with the onset of September, subtly varied from August's 27.3°C (81.1°F). São João do Cariri, during the month of September, experiences an average low-temperature of 18.8°C (65.8°F).Heat index
During September, the heat index is calculated to be a hot 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. 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 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In São João do Cariri, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in São João do Cariri. Rain falls for 13.1 days and accumulates 11mm (0.43") of precipitation.Daylight
In September, the average length of the day in São João do Cariri is 12h and 4min.On the first day of the month, sunrise is at 05:26 and sunset at 17:25. On the last day of September, sunrise is at 05:10 and sunset at 17:20 -03.
Sunshine
In São João do Cariri, Brazil, the average sunshine in September is 6.8h.UV index
The months with the highest UV index are January through June, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in São João do Cariri in September?
What is the average humidity in September in São João do Cariri?
What is the driest month in São João do Cariri?
How much does it rain in São João do Cariri in September?
How many hours of daylight does São João do Cariri have in September?
What time are sunrise and sunset in September in São João do Cariri?
How long on average sun shines in September in São João do Cariri?
What are the months with the highest UV index in São João do Cariri?
What is the UV index intensity in September in São João do Cariri?
Average temperature in September
São João do Cariri, Brazil
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is March (30.9°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in September: 18.8°C
The months with the highest average low temperature are February and March (21.7°C).
The coldest month (with the lowest average low temperature) is August (18°C).
Average pressure in September
São João do Cariri, Brazil
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is August (1016.1mbar).
The month with the lowest atmospheric pressure is February (1011.8mbar).
Average wind speed in September
São João do Cariri, Brazil
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is October (16.2km/h).
The calmest month (with the lowest average wind speed) is April (10.8km/h).
Average humidity in September
São João do Cariri, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are November and December (71%).
Average rainfall in September
São João do Cariri, Brazil
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is March (88mm).
The driest month (with the least rainfall) is September (11mm).
Average rainfall days in September
São João do Cariri, Brazil
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (21 days).
The months with the least rainy days are September and November (13.1 days).
Average daylight in September /
Average sunshine in September
São João do Cariri, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 6h and 5min
The months with the most sunshine are March and November (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 5h and 6min).
Average sunshine days in September
São João do Cariri, Brazil
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is September (8.3 days).
The month with the least sunshine days is February (3.9 days).
Average UV index in September
São João do Cariri, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 6).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
São João do Cariri, Brazil
- Average cloud cover in September: 55
The month with the most cloud cover is July (Cloud cover 70).
The month with the least cloud cover is November (Cloud cover 49).
Average visibility in September
São João do Cariri, Brazil
- Average visibility in September: 8km
The months with the highest visibility are November and December (10km).
The months with the lowest visibility are April, May and June (6km).
