September weather forecastBrejo, Brazil
September
Weather in September
The first month of the spring, September, is a sweltering month in Brejo, Brazil, with an average temperature fluctuating between 22.5°C (72.5°F) and 36.7°C (98.1°F).Temperature
September experiences an average high-temperature of a torrid 36.7°C (98.1°F), barely different from August's 34.8°C (94.6°F). Brejo's nights in September are distinguished by a pronounced temperature shift from the day, with an average low of 22.5°C (72.5°F).Heat index
For most parts of September, the heat index is calculated to be a blazing hot 51°C (123.8°F). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 quite important for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
The months with the lowest humidity in Brejo are September and October, with an average relative humidity of 61%.Rainfall
September is the month with the least rainfall. Rain falls for 4.6 days and accumulates 4mm (0.16") of precipitation.Daylight
In Brejo, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:49 and sunset at 17:52. On the last day of September, in Brejo, sunrise is at 05:36 and sunset at 17:45 -03.
Sunshine
September has the most sunshine of the year, with an average of 9.7h of sunshine.UV index
The months with the highest UV index are January, April through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 7 in September suggests the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brejo, Brazil
- Average high temperature in September: 36.7°C
The warmest month (with the highest average high temperature) is October (37.5°C).
The month with the lowest average high temperature is April (30.9°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is November (24.2°C).
The coldest month (with the lowest average low temperature) is July (21.6°C).
Average pressure in September
Brejo, Brazil
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Brejo, Brazil
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is November (10.9km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).
Average humidity in September
Brejo, Brazil
- Average humidity in September: 61%
The month with the highest relative humidity is April (87%).
The months with the lowest relative humidity are September and October (61%).
Average rainfall in September
Brejo, Brazil
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is March (231mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
Brejo, Brazil
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is March (29.8 days).
The month with the least rainy days is September (4.6 days).
Average daylight in September /
Average sunshine in September
Brejo, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is April (Average sunshine: 6h and 42min).
Average sunshine days in September
Brejo, Brazil
- Average sunshine days in September: 23.4 days
The month with the most sunshine days is September (23.4 days).
The month with the least sunshine days is April (0.8 days).
Average UV index in September
Brejo, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are February and March (UV index 6).
Average cloud cover in September
Brejo, Brazil
- Average cloud cover in September: 22
The month with the most cloud cover is March (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in September
Brejo, Brazil
- Average visibility in September: 10km
The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are March, April and May (7km).
