September weather forecast and climate
Port-aux-Français, French Southern and Antarctic Lands

What is the temperature in September in Port-aux-Français?

The average high-temperature, in September, in Port-aux-Français, is 5.3°C (41.5°F), while the average low-temperature is -0.7°C (30.7°F).

How much does it rain in Port-aux-Français in September?

In September, in Port-aux-Français, the rain falls for 12 days. Throughout September, 65.3mm (2.6") of precipitation is accumulated.

How many days does it snow in September in Port-aux-Français?

In Port-aux-Français, during September, snow falls for 12 days.

What are the months with the coldest sea water in Port-aux-Français?

July through October, with an average sea temperature of 2°C (35.6°F), are months with the coldest seawater in Port-aux-Français, French Southern and Antarctic Lands. For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the sea temperature in September in Port-aux-Français?

The average seawater temperature, in September, in Port-aux-Français, French Southern and Antarctic Lands, is 2°C (35.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
Average temperature in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average high temperature in September: 5.3°C

The warmest month (with the highest average high temperature) is February (11.5°C).
The month with the lowest average high temperature is July (4.8°C).

  • Average low temperature in September: -0.7°C

The month with the highest average low temperature is February (4.3°C).
Coldest months (with the lowest average low temperature) are July and August (-0.8°C).

Average rainfall in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average rainfall in September: 65.3mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the lowest rainfall) is February (45.5mm).

Average rainfall days in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average rainfall days in September: 12 days

Months with the highest number of rainy days are January, March, April and December (16 days).
The month with the lowest number of rainy days is September (12 days).

Average snowfall days in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average snowfall days in September: 12 days

The month with the highest number of snowfall days is August (13 days).
The month with the lowest number of snowfall days is February (0 days).

Average sea temperature in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average sea temperature in September: 2°C

Best months for swimming (with the highest average sea temperature) are February and March (5°C).
Coldest months (with the lowest average sea temperature) are July, August, September and October (2°C).

Average daylight in September / Average sunshine in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average daylight in September: 11.8h

The month with the longest days is December (Average daylight: 16.2h).
The month with shortest days is June (Average daylight: 8.3h).

  • Average sunshine in September: 4.2h

The month with most sunshine is January (Average sunshine: 6.1h).
The month with least sunshine is June (Average sunshine: 2.4h).

Average UV index in September - Port-aux-Français, French Southern and Antarctic Lands
  • Average UV index in September: 2

Months with the highest UV index are January and December (UV index 8).
Months with the lowest UV index are May, June, July and August (UV index 1).

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