September weather forecastLanús, Argentina
September
Weather in September
September, the first month of the spring in Lanús, is an enjoyable month, with an average temperature fluctuating between 10.1°C (50.2°F) and 17.5°C (63.5°F).Temperature
Lanús, Argentina, marks the arrival of September with an average high-temperature of a still refreshing 17.5°C (63.5°F), hardly different from August's 15.9°C (60.6°F). September's average low-temperature reading in Lanús settles at a fresh 10.1°C (50.2°F).Humidity
The average relative humidity in September in Lanús is 75%.Rainfall
The month with the least rainfall in Lanús is September, when the rain falls for 3.5 days and typically collects 3mm (0.12") of precipitation.Daylight
In September, the average length of the day in Lanús, Argentina, is 11h and 53min.On the first day of the month, sunrise is at 07:11 and sunset at 18:35. On the last day of September, in Lanús, sunrise is at 06:30 and sunset at 18:56 -03.
Sunshine
In Lanús, the average sunshine in September is 7.7h.UV index
In Lanús, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lanús, Argentina
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is January (30.1°C).
The month with the lowest average high temperature is July (13.7°C).
- Average low temperature in September: 10.1°C
The months with the highest average low temperature are January and February (20°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in September
Lanús, Argentina
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
Lanús, Argentina
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is September (16.7km/h).
The calmest month (with the lowest average wind speed) is March (14.1km/h).
Average humidity in September
Lanús, Argentina
- Average humidity in September: 75%
The months with the highest relative humidity are May and July (76%).
The month with the lowest relative humidity is January (58%).
Average rainfall in September
Lanús, Argentina
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is October (17mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in September
Lanús, Argentina
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is April (5.5 days).
The month with the least rainy days is August (2.6 days).
Average daylight in September /
Average sunshine in September
Lanús, Argentina
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is December (Average sunshine: 11h and 18min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in September
Lanús, Argentina
- Average sunshine days in September: 25 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in September
Lanús, Argentina
- Average UV index in September: 4
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in September
Lanús, Argentina
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in September
Lanús, Argentina
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
