September weather forecastBarra Longa, Brazil
September
Weather in September
September, the first month of the spring in Barra Longa, is still a warm month, with temperature in the range of an average high of 26.8°C (80.2°F) and an average low of 15.5°C (59.9°F).Temperature
The start of September marks an average high-temperature of a still warm 26.8°C (80.2°F), hardly distinguishable from the conditions in August. Barra Longa cools down to an average low-temperature of 15.5°C (59.9°F) throughout the month of September.Humidity
September is the least humid month, with an average relative humidity of 71%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. Throughout the year, there are 212.2 rainfall days, and 1103mm (43.43") of precipitation is accumulated.Daylight
In Barra Longa, Brazil, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:00 and sunset at 17:43. On the last day of September, sunrise is at 05:33 and sunset at 17:50 -03.
Sunshine
September has the most sunshine of the year, with an average of 8.5h of sunshine.UV index
The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barra Longa, Brazil
- Average high temperature in September: 26.8°C
The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).
Average pressure in September
Barra Longa, Brazil
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Barra Longa, Brazil
- Average wind speed in September: 8.3km/h
The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).
Average humidity in September
Barra Longa, Brazil
- Average humidity in September: 71%
The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).
Average rainfall in September
Barra Longa, Brazil
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Barra Longa, Brazil
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in September /
Average sunshine in September
Barra Longa, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in September
Barra Longa, Brazil
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in September
Barra Longa, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Barra Longa, Brazil
- Average cloud cover in September: 35
The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Barra Longa, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (6km).
