September weather forecastJarinu, Brazil
September
Weather in September
September, the first month of the spring in Jarinu, is also a moderately hot month, with an average temperature fluctuating between 14.8°C (58.6°F) and 26.4°C (79.5°F).Temperature
September's presence records an average high-temperature of a still moderately hot 26.4°C (79.5°F), closely mirroring August's climate. Jarinu experiences an average nighttime temperature of 14.8°C (58.6°F) in the month of September.Humidity
The least humid month is September, with an average relative humidity of 70%.Rainfall
In Jarinu, in September, during 10.1 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Jarinu, during the entire year, the rain falls for 200.5 days and collects up to 1112mm (43.78") of precipitation.Daylight
In September, the average length of the day in Jarinu, Brazil, is 11h and 58min.On the first day of the month, sunrise is at 06:16 and sunset at 17:56. On the last day of September, in Jarinu, Brazil, sunrise is at 05:47 and sunset at 18:05 -03.
Sunshine
The month with the most sunshine is September, with an average of 8.9h of sunshine.UV index
February through September, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Jarinu. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jarinu, Brazil
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is December (27.3°C).
The month with the lowest average high temperature is June (21.4°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is January (18.4°C).
The coldest month (with the lowest average low temperature) is July (12.4°C).
Average pressure in September
Jarinu, Brazil
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in September
Jarinu, Brazil
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is October (11.3km/h).
The calmest month (with the lowest average wind speed) is February (8.4km/h).
Average humidity in September
Jarinu, Brazil
- Average humidity in September: 70%
The months with the highest relative humidity are January and March (86%).
The month with the lowest relative humidity is September (70%).
Average rainfall in September
Jarinu, Brazil
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is January (207mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in September
Jarinu, Brazil
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is January (26.5 days).
The month with the least rainy days is August (6.3 days).
Average daylight in September /
Average sunshine in September
Jarinu, 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 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Jarinu, Brazil
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is August (23.5 days).
The month with the least sunshine days is January (3.4 days).
Average UV index in September
Jarinu, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover in September
Jarinu, Brazil
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Jarinu, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September and October (9km).
The months with the lowest visibility are January, March, April and May (7km).





