September weather forecastIpanema, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Ipanema, Brazil, with an average temperature fluctuating between 19.9°C (67.8°F) and 24.4°C (75.9°F).Temperature
With September's arrival, Ipanema notes an average high-temperature of a still warm 24.4°C (75.9°F), closely following the trend of the preceding month. Ipanema experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 19.9°C (67.8°F) throughout September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Ipanema, in September, during 13.5 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, there are 160.8 rainfall days, and 655mm (25.79") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 58min.On the first day of September, sunrise is at 06:02 and sunset at 17:42. On the last day of the month, sunrise is at 05:33 and sunset at 17:51 -03.
Sunshine
The average sunshine in September is 7.9h.UV index
With an average maximum UV index of 5, September is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ipanema, Brazil
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is February (29.1°C).
The month with the lowest average high temperature is July (23.7°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is January (24.3°C).
The coldest month (with the lowest average low temperature) is August (19°C).
Average pressure in September
Ipanema, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in September
Ipanema, Brazil
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is August (14.4km/h).
The calmest month (with the lowest average wind speed) is March (10.8km/h).
Average humidity in September
Ipanema, Brazil
- Average humidity in September: 79%
The months with the highest relative humidity are November and December (82%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Ipanema, Brazil
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is June (34mm).
Average rainfall days in September
Ipanema, Brazil
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is February (10.4 days).
Average daylight in September /
Average sunshine in September
Ipanema, 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: 7h and 54min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is October (Average sunshine: 7h and 42min).
Average sunshine days in September
Ipanema, Brazil
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
Ipanema, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February and December (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in September
Ipanema, Brazil
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 27).
Average visibility in September
Ipanema, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
