Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Shifting into September, Ushuaia records an average high-temperature of a still icy 4.4°C (39.9°F), presenting minor fluctuations compared to the previous month. In Ushuaia, an average temperature of -1.2°C (29.8°F) is noted during September nights.Humidity
The average relative humidity in September is 83%.Rainfall
September is the month with the least rainfall in Ushuaia. Rain falls for 14.2 days and accumulates 39mm (1.54") of precipitation.Snowfall
January through December are months with snowfall. In Ushuaia, during September, snow falls for 11.1 days and regularly aggregates up to 159mm (6.26") of snow. Throughout the year, in Ushuaia, there are 96.6 snowfall days, and 1183mm (46.57") of snow is accumulated.Sea temperature
The months with the coldest seawater are July through October, with an average sea temperature of 6°C (42.8°F).Note: Swimming in 6°C (42.8°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
In Ushuaia, the average length of the day in September is 11h and 42min.On the first day of the month, sunrise is at 08:12 and sunset at 18:53. On the last day of September, in Ushuaia, sunrise is at 06:58 and sunset at 19:46 -03.
Sunshine
In Ushuaia, the average sunshine in September is 5.8h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 2 turns into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
Is September cold in Ushuaia?
What is the average humidity in September in Ushuaia?
What is the driest month in Ushuaia?
How much does it rain in Ushuaia in September?
How much does it snow in Ushuaia in September?
What months are the sea coldest in Ushuaia?
What is the water temperature in September in Ushuaia?
What is the average length of the day in September in Ushuaia?
When are sunrise and sunset in September in Ushuaia?
How long on average sun shines in September in Ushuaia?
How high is the UV index in September in Ushuaia?
Average temperature in September
Ushuaia, Argentina
- Average high temperature in September: 4.4°C
The warmest month (with the highest average high temperature) is February (11.1°C).
The month with the lowest average high temperature is July (0.9°C).
- Average low temperature in September: -1.2°C
The month with the highest average low temperature is January (3.9°C).
The coldest month (with the lowest average low temperature) is July (-2.7°C).
Average pressure in September
Ushuaia, Argentina
- Average pressure in September: 1003.1mbar
The month with the highest atmospheric pressure is September (1003.1mbar).
The month with the lowest atmospheric pressure is December (996.4mbar).
Average wind speed in September
Ushuaia, Argentina
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is November (16.7km/h).
The calmest months (with the lowest average wind speed) are May and August (13.2km/h).
Average humidity in September
Ushuaia, Argentina
- Average humidity in September: 83%
The month with the highest relative humidity is June (89%).
The months with the lowest relative humidity are November and December (75%).
Average rainfall in September
Ushuaia, Argentina
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is January (69mm).
The driest month (with the least rainfall) is September (39mm).
Average rainfall days in September
Ushuaia, Argentina
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is January (27.4 days).
The month with the least rainy days is August (11.9 days).
Average snowfall in September
Ushuaia, Argentina
- Average snowfall in September: 159mm
The month with the highest snowfall is June (230mm).
The month with the least snowfall is January (6mm).
Average snowfall days in September
Ushuaia, Argentina
- Average snowfall days in September: 11.1 days
The month with the highest number of snowfall days is August (16.2 days).
The month with the least snowfall days is January (1.1 days).
Average sea temperature in September
Ushuaia, Argentina
- Average sea temperature in September: 6°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (8°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (6°C).
Average daylight in September /
Average sunshine in September
Ushuaia, Argentina
- Average daylight in September: 11h and 4min
The month with the longest days is December (Average daylight: 17h and 12min).
The month with the shortest days is June (Average daylight: 7h and 18min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is November (Average sunshine: 7h and 48min).
The month with the least sunshine is June (Average sunshine: 3h and 0min).
Average sunshine days in September
Ushuaia, Argentina
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is August (7.8 days).
The month with the least sunshine days is December (1.3 days).
Average UV index in September
Ushuaia, Argentina
- Average UV index in September: 2
The month with the highest UV index is February (UV index 3).
The months with the lowest UV index are May, July and August (UV index 1).
Average cloud cover in September
Ushuaia, Argentina
- Average cloud cover in September: 56
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 55).
Average visibility in September
Ushuaia, Argentina
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, October, November and December (9km).
The months with the lowest visibility are April, May, June, July, August and September (8km).
Ushuaia, Argentina
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