Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The transition into September is marked with an average high-temperature of a still warm 27.9°C (82.2°F), showing an insignificant shift from August's 27.2°C (81°F). In Brejo Grande, the average temperature during the nights of September drops to a pleasant 21.2°C (70.2°F).Heat index
September's heat index is calculated to be a tropical 32°C (89.6°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. 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. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly meaningful for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In Brejo Grande, the average relative humidity in September is 79%.Rainfall
In September, in Brejo Grande, the rain falls for 20.5 days. Throughout September, 34mm (1.34") of precipitation is accumulated. Throughout the year, in Brejo Grande, Brazil, there are 222.9 rainfall days, and 509mm (20.04") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 3min.On the first day of the month, sunrise is at 05:28 and sunset at 17:23. On the last day of September, in Brejo Grande, sunrise is at 05:09 and sunset at 17:21 -03.
Sunshine
In September, the average sunshine in Brejo Grande is 7.9h.UV index
The months with the lowest UV index are April through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Brejo Grande?
What is the average humidity in September in Brejo Grande?
How much does it rain in Brejo Grande in September?
What is the average length of the day in September in Brejo Grande?
When is the sunrise / sunset in September in Brejo Grande?
How long on average sun shines in September in Brejo Grande?
What is the month with the lowest UV index in Brejo Grande?
What is the UV index reading in September in Brejo Grande?
Average temperature in September
Brejo Grande, Brazil
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (26.6°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is March (24.4°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).
Average pressure in September
Brejo Grande, Brazil
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is August (1017.3mbar).
The month with the lowest atmospheric pressure is March (1012.1mbar).
Average wind speed in September
Brejo Grande, Brazil
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is November (15.5km/h).
The calmest month (with the lowest average wind speed) is May (10km/h).
Average humidity in September
Brejo Grande, Brazil
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is December (71%).
Average rainfall in September
Brejo Grande, Brazil
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the least rainfall) is November (16mm).
Average rainfall days in September
Brejo Grande, Brazil
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is November (11.5 days).
Average daylight in September /
Average sunshine in September
Brejo Grande, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is March (Average sunshine: 8h and 24min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).
Average sunshine days in September
Brejo Grande, Brazil
- Average sunshine days in September: 4.4 days
The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is August (2 days).
Average UV index in September
Brejo Grande, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 6).
Average cloud cover in September
Brejo Grande, Brazil
- Average cloud cover in September: 41
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is December (Cloud cover 34).
Average visibility in September
Brejo Grande, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
