September weather forecastTrabiju, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Trabiju, Brazil, with temperature in the range of an average high of 28.4°C (83.1°F) and an average low of 16.4°C (61.5°F).Temperature
The average high-temperature during September registers at a still warm 28.4°C (83.1°F), maintaining a close resemblance to the previous month. Trabiju experiences a consistent, yet significant, drop from daily highs to a low-temperature of 16.4°C (61.5°F) throughout September.Heat index
September's mean heat index is evaluated at a tropical 31°C (87.8°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The months with the lowest humidity in Trabiju are August and September, with an average relative humidity of 64%.Rainfall
In Trabiju, Brazil, during September, the rain falls for 11 days and regularly aggregates up to 49mm (1.93") of precipitation. In Trabiju, during the entire year, the rain falls for 225.9 days and collects up to 1464mm (57.64") of precipitation.Daylight
In Trabiju, the average length of the day in September is 11h and 59min.On the first day of September in Trabiju, sunrise is at 06:22 and sunset at 18:03. On the last day of the month, sunrise is at 05:54 and sunset at 18:11 -03.
Sunshine
With an average of 9.2h of sunshine, September has the most sunshine of the year in Trabiju.UV index
January through July, September, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Trabiju, Brazil
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is October (28.8°C).
The month with the lowest average high temperature is June (22.6°C).
- Average low temperature in September: 16.4°C
The month with the highest average low temperature is December (19.5°C).
The coldest month (with the lowest average low temperature) is June (13.4°C).
Average pressure in September
Trabiju, Brazil
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Trabiju, Brazil
- Average wind speed in September: 10.2km/h
The windiest months (with the highest average wind speed) are September and October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Trabiju, Brazil
- Average humidity in September: 64%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (64%).
Average rainfall in September
Trabiju, Brazil
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is January (291mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Trabiju, Brazil
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is January (29.5 days).
The month with the least rainy days is August (5.7 days).
Average daylight in September /
Average sunshine in September
Trabiju, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Trabiju, Brazil
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (0.6 days).
Average UV index in September
Trabiju, Brazil
- Average UV index in September: 5
The months with the highest UV index are August and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, November and December (UV index 5).
Average cloud cover in September
Trabiju, Brazil
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Trabiju, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are March, April and May (7km).





