September weather forecastIrajá, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Irajá, Brazil, with an average temperature ranging between max 26°C (78.8°F) and min 18.2°C (64.8°F).Temperature
As Irajá transitions into September, the average high-temperature stands at a still moderately hot 26°C (78.8°F), offering little variation from the preceding month. September nights in Irajá cool down to an average low-temperature of 18.2°C (64.8°F).Humidity
The average relative humidity in September in Irajá is 78%.Rainfall
In Irajá, in September, during 13.8 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Irajá, Brazil, there are 205.4 rainfall days, and 637mm (25.08") of precipitation is accumulated.Daylight
In Irajá, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:02 and sunset at 17:43. On the last day of the month, sunrise is at 05:34 and sunset at 17:52 -03.
Sunshine
The average sunshine in September is 7.8h.UV index
April, May, July and September, with an average maximum UV index of 5, are months with the lowest UV index in Irajá. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Irajá, Brazil
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The month with the lowest average high temperature is July (24.1°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is January (22.3°C).
The coldest month (with the lowest average low temperature) is August (16.9°C).
Average pressure in September
Irajá, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in September
Irajá, Brazil
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).
Average humidity in September
Irajá, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are March, April, May and November (82%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Irajá, Brazil
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (94mm).
The driest month (with the least rainfall) is June (24mm).
Average rainfall days in September
Irajá, Brazil
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is December (23.8 days).
The month with the least rainy days is August (10.2 days).
Average daylight in September /
Average sunshine in September
Irajá, 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: 7h and 48min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).
Average sunshine days in September
Irajá, Brazil
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in September
Irajá, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are April, May, July and September (UV index 5).
Average cloud cover in September
Irajá, Brazil
- Average cloud cover in September: 36
The month with the most cloud cover is November (Cloud cover 50).
The months with the least cloud cover are February, July and August (Cloud cover 31).
Average visibility in September
Irajá, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
