September weather forecastBariri, Brazil
September
Weather in September
September, the first month of the spring in Bariri, is also a moderately hot month, with an average temperature fluctuating between 29.6°C (85.3°F) and 16.6°C (61.9°F).Temperature
The shift to September signals an average high-temperature of a still moderately hot 29.6°C (85.3°F), subtly varied from August's 26.9°C (80.4°F). With a notable disparity from daily peak temperatures, the average low-temperature in Bariri settles at a comfortable 16.6°C (61.9°F) throughout September.Heat index
During September, the heat index is computed to be a hot 32°C (89.6°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
With an average relative humidity of 62%, September is the least humid month in Bariri.Rainfall
In Bariri, in September, during 9.4 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Bariri, during the entire year, the rain falls for 192.9 days and collects up to 1119mm (44.06") of precipitation.Daylight
The average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:24 and sunset at 18:05. On the last day of the month, sunrise is at 05:55 and sunset at 18:13 -03.
Sunshine
August and September, with an average of 9.2h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Bariri are January, March, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bariri, Brazil
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is October (29.8°C).
The month with the lowest average high temperature is June (23.3°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is June (13.7°C).
Average pressure in September
Bariri, Brazil
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).
Average wind speed in September
Bariri, Brazil
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is October (10.5km/h).
The calmest month (with the lowest average wind speed) is February (7.3km/h).
Average humidity in September
Bariri, Brazil
- Average humidity in September: 62%
The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Bariri, Brazil
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (222mm).
The driest months (with the least rainfall) are July and August (19mm).
Average rainfall days in September
Bariri, Brazil
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is January (27.3 days).
The month with the least rainy days is August (4.7 days).
Average daylight in September /
Average sunshine in September
Bariri, 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 months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Bariri, Brazil
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is January (2.2 days).
Average UV index in September
Bariri, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June and July (UV index 5).
Average cloud cover in September
Bariri, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Bariri, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is March (7km).





