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
Weather in September
Temperature
A minor adjustment in Barra do Mendes's average high-temperature is noted with the start of September, touching a tropical 30.6°C (87.1°F) from August's 28.4°C (83.1°F). In September, a remarkable difference from daytime highs is noted, as Barra do Mendes records an average temperature of 18.2°C (64.8°F) during the night.Heat index
The heat index for September is estimated at a tropical 33°C (91.4°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Observations indicate that the heat index values are for shady locations with light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 56%.Rainfall
In Barra do Mendes, Brazil, in September, it is raining for 2.1 days, with typically 3mm (0.12") of accumulated precipitation. In Barra do Mendes, during the entire year, the rain falls for 110.5 days and collects up to 525mm (20.67") of precipitation.Daylight
The average length of the day in September in Barra do Mendes is 12h and 2min.On the first day of the month, sunrise is at 05:51 and sunset at 17:44. On the last day of September, sunrise is at 05:31 and sunset at 17:44 -03.
Sunshine
In Barra do Mendes, Brazil, the average sunshine in September is 9.4h.UV index
The months with the highest UV index in Barra do Mendes are September through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 7 in September leads to these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
How hot is it in Barra do Mendes in September?
What are the least humid months in Barra do Mendes?
What is the average humidity in September in Barra do Mendes?
How much does it rain in Barra do Mendes in September?
How many hours of daylight does Barra do Mendes have in September?
When are sunrise and sunset in September in Barra do Mendes?
How long on average sun shines in September in Barra do Mendes?
What are the months with the highest UV index in Barra do Mendes?
What is the UV index intensity in September in Barra do Mendes?
Average temperature in September
Barra do Mendes, Brazil
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is July (27.2°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is November (20.7°C).
The coldest month (with the lowest average low temperature) is July (17.2°C).
Average pressure in September
Barra do Mendes, Brazil
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is July (1017.6mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in September
Barra do Mendes, Brazil
- Average wind speed in September: 21.3km/h
The windiest months (with the highest average wind speed) are August and September (21.3km/h).
The calmest month (with the lowest average wind speed) is March (13.6km/h).
Average humidity in September
Barra do Mendes, Brazil
- Average humidity in September: 56%
The month with the highest relative humidity is April (71%).
The months with the lowest relative humidity are September and October (56%).
Average rainfall in September
Barra do Mendes, Brazil
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is February (90mm).
The driest months (with the least rainfall) are June, July and August (2mm).
Average rainfall days in September
Barra do Mendes, Brazil
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (1.7 days).
Average daylight in September /
Average sunshine in September
Barra do Mendes, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are January and February (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 42min).
Average sunshine days in September
Barra do Mendes, Brazil
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is September (24.2 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Barra do Mendes, Brazil
- Average UV index in September: 7
The months with the highest UV index are September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August and December (UV index 6).
Average cloud cover in September
Barra do Mendes, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 21).
Average visibility in September
Barra do Mendes, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Barra do Mendes, Brazil
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