September weather forecastTabatinga, Brazil
September
Weather in September
September, the first month of the spring in Tabatinga, is still a tropical month, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 33.7°C (92.7°F).Temperature
Tabatinga notes the warmest temperatures in September, with a high average of 33.7°C (92.7°F) and a low of 22.2°C (72°F).Heat index
The average heat index in September is appraised at a burning hot 49°C (120.2°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
August and September, with an average relative humidity of 76%, are the least humid months.Rainfall
In Tabatinga, in September, during 14.1 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Tabatinga, there are 241.2 rainfall days, and 1245mm (49.02") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:38 and sunset at 18:40. On the last day of September, sunrise is at 06:25 and sunset at 18:33 -04.
Sunshine
In September, the average sunshine is 8.5h.UV index
The months with the highest UV index are July through October, 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 radiation for the ordinary person.Note: The UV index of 7 during September leads to these advisories:
Take precautions against overexposure. Protection against sun damage is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tabatinga, Brazil
- Average high temperature in September: 33.7°C
The warmest month (with the highest average high temperature) is September (33.7°C).
The month with the lowest average high temperature is May (29.9°C).
- Average low temperature in September: 22.2°C
The month with the highest average low temperature is November (22.8°C).
The coldest month (with the lowest average low temperature) is July (20.8°C).
Average pressure in September
Tabatinga, Brazil
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is July (1012.4mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in September
Tabatinga, Brazil
- Average wind speed in September: 3.6km/h
The windiest months (with the highest average wind speed) are October and November (3.7km/h).
The calmest months (with the lowest average wind speed) are April and May (3.3km/h).
Average humidity in September
Tabatinga, Brazil
- Average humidity in September: 76%
The months with the highest relative humidity are January, February, March and April (90%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in September
Tabatinga, Brazil
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (182mm).
The driest month (with the least rainfall) is August (30mm).
Average rainfall days in September
Tabatinga, Brazil
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (12.8 days).
Average daylight in September /
Average sunshine in September
Tabatinga, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is March (Average sunshine: 5h and 36min).
Average sunshine days in September
Tabatinga, Brazil
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is August (17.3 days).
The month with the least sunshine days is March (3.9 days).
Average UV index in September
Tabatinga, Brazil
- Average UV index in September: 7
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in September
Tabatinga, Brazil
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Tabatinga, Brazil
- Average visibility in September: 8km
The months with the highest visibility are August and September (8km).
The months with the lowest visibility are January, March, April and December (5km).
