September weather forecastTarrafas, Brazil
September
Weather in September
September, the first month of the spring in Tarrafas, is still a tropical month, with an average temperature varying between 34.9°C (94.8°F) and 22.2°C (72°F).Temperature
The weather during September records an average high-temperature of a still hot 34.9°C (94.8°F), closely mirroring the preceding month. September's nights exhibit a sharp contrast from day highs, with an average temperature of 22.2°C (72°F).Heat index
September's heat index is appraised at a torrid 39°C (102.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
With an average relative humidity of 47%, September is the least humid month.Rainfall
September is the month with the least rainfall. Rain falls for 3.9 days and accumulates 3mm (0.12") of precipitation.Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:39 and sunset at 17:38. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 -03.
Sunshine
August and September, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are January, March, July through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tarrafas, Brazil
- Average high temperature in September: 34.9°C
The warmest month (with the highest average high temperature) is October (35.6°C).
The months with the lowest average high temperature are May and June (30.9°C).
- Average low temperature in September: 22.2°C
The month with the highest average low temperature is November (24.1°C).
The coldest month (with the lowest average low temperature) is July (19.3°C).
Average pressure in September
Tarrafas, Brazil
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is July (1015mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Tarrafas, Brazil
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is November (14.8km/h).
The calmest month (with the lowest average wind speed) is April (8.3km/h).
Average humidity in September
Tarrafas, Brazil
- Average humidity in September: 47%
The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is September (47%).
Average rainfall in September
Tarrafas, Brazil
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (149mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in September
Tarrafas, Brazil
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is March (25.3 days).
The month with the least rainy days is September (3.9 days).
Average daylight in September /
Average sunshine in September
Tarrafas, Brazil
- Average daylight in September: 12h and 6min
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: 9h and 36min
The months with the most sunshine are August and September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 6h and 48min).
Average sunshine days in September
Tarrafas, Brazil
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is August (24.8 days).
The months with the least sunshine days are March and April (4.1 days).
Average UV index in September
Tarrafas, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, March, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are February, April, May and June (UV index 6).
Average cloud cover in September
Tarrafas, Brazil
- Average cloud cover in September: 20
The months with the most cloud cover are March and April (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 20).
Average visibility in September
Tarrafas, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (8km).
