September weather forecastTapanã, Brazil
September
Weather in September
September, the first month of the spring in Tapanã, is still a hot month, with an average temperature fluctuating between 23.1°C (73.6°F) and 33.4°C (92.1°F).Temperature
September's onset records a minor alteration in the average high-temperature to a still hot 33.4°C (92.1°F) from August's 33.2°C (91.8°F). September sees the temperature falling to a mean low of 23.1°C (73.6°F).Heat index
The heat index for September is appraised at a blazing hot 47°C (116.6°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. 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 primarily vital for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 21.3 days and typically collects 46mm (1.81") of precipitation.Daylight
In Tapanã, the average length of the day in September is 12h and 7min.On the first day of September in Tapanã, sunrise is at 06:11 and sunset at 18:16. On the last day of the month, sunrise is at 05:59 and sunset at 18:07 -03.
Sunshine
In September, the average sunshine in Tapanã is 8.6h.UV index
The months with the highest UV index are May, July through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 during September leads to these advisories:
Ward off overexposure. Defence against solar harm is crucial. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tapanã, Brazil
- Average high temperature in September: 33.4°C
The warmest month (with the highest average high temperature) is October (33.8°C).
The month with the lowest average high temperature is April (29.7°C).
- Average low temperature in September: 23.1°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 (22.4°C).
Average pressure in September
Tapanã, Brazil
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is July (1012.7mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in September
Tapanã, Brazil
- Average wind speed in September: 8.5km/h
The windiest months (with the highest average wind speed) are October and November (8.9km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Tapanã, Brazil
- Average humidity in September: 75%
The month with the highest relative humidity is April (90%).
The months with the lowest relative humidity are October and November (73%).
Average rainfall in September
Tapanã, Brazil
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is April (318mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in September
Tapanã, Brazil
- Average rainfall days in September: 21.3 days
The month with the highest number of rainy days is March (30.7 days).
The month with the least rainy days is November (20.1 days).
Average daylight in September /
Average sunshine in September
Tapanã, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is October (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Tapanã, Brazil
- Average sunshine days in September: 6 days
The month with the most sunshine days is November (8.3 days).
The month with the least sunshine days is February (0.1 days).
Average UV index in September
Tapanã, Brazil
- Average UV index in September: 7
The months with the highest UV index are May, July, August, September, October and December (UV index 7).
The months with the lowest UV index are January, February, March, April, June and November (UV index 6).
Average cloud cover in September
Tapanã, Brazil
- Average cloud cover in September: 31
The months with the most cloud cover are February and March (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Tapanã, Brazil
- Average visibility in September: 9km
The months with the highest visibility are October and November (10km).
The month with the lowest visibility is April (6km).
