Contents
Weather in September
Temperature
Port-aux-Français's weather in September, with an average high-temperature of a still cold 5.3°C (41.5°F), subtly shifts from August's 5°C (41°F). Throughout September, a steady low-temperature average of -0.7°C (30.7°F) is noted.Rainfall
In Port-aux-Français, in September, it is raining for 12 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, in Port-aux-Français, there are 169 rainfall days, and 708mm (27.87") of precipitation is accumulated.Snowfall
January, March through December are months with snowfall. In Port-aux-Français, during September, snow falls for 12 days. In Port-aux-Français, during the entire year, snow falls for 79 days.Sea temperature
July through October, with an average sea temperature of 2°C (35.6°F), are months with the coldest seawater in Port-aux-Français.Note: In the scenario of swimming, this is assessed as life-threatening and highly risky. The chilling water causes severe discomfort and induces instant hyperventilation. A specialized swimsuit is necessary to counter thermal damage.
Daylight
In September, the average length of the day is 11h and 44min.On the first day of the month, sunrise is at 06:51 and sunset at 17:46. On the last day of September, in Port-aux-Français, sunrise is at 05:49 and sunset at 18:28 +05.
Sunshine
In September, the average sunshine is 4.2h.UV index
In Port-aux-Français, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 2 transforms into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
Is September cold in Port-aux-Français?
How much does it rain in Port-aux-Français in September?
How many days does it snow in September in Port-aux-Français?
What months are the sea coldest in Port-aux-Français?
What is the sea temperature in September in Port-aux-Français?
What is the average length of the day in September in Port-aux-Français?
When is the sunrise / sunset in September in Port-aux-Français?
How many hours of sunshine does Port-aux-Français have in September?
What is the UV index reading in September in Port-aux-Français?
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).
The 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 least 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
The months with the highest number of rainy days are January, March, April and December (16 days).
The month with the least 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 least 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
The best months for swimming (with the highest average sea temperature) are February and March (5°C).
The 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: 11h and 4min
The month with the longest days is December (Average daylight: 16h and 12min).
The month with the shortest days is June (Average daylight: 8h and 12min).
- Average sunshine in September: 4h and 1min
The month with the most sunshine is January (Average sunshine: 6h and 6min).
The month with the least sunshine is June (Average sunshine: 2h and 24min).
Average UV index in September
Port-aux-Français, French Southern and Antarctic Lands
- Average UV index in September: 2
The months with the highest UV index are January and December (UV index 8).
The months with the lowest UV index are May, June, July and August (UV index 1).
Port-aux-Français, French Southern and Antarctic Lands
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