September weather forecast
Saint Aubin, Jersey

Weather in September

September, the first month of the autumn in Saint Aubin, is also an enjoyable month, with an average temperature ranging between min 15.6°C (60.1°F) and max 17.4°C (63.3°F).

Temperature

In Saint Aubin, the average high-temperature in September is practically the same as in August - a still enjoyable 17.4°C (63.3°F). In Saint Aubin, the average low-temperature is 15.6°C (60.1°F).

Humidity

In September, the average relative humidity in Saint Aubin, Jersey, is 79%.

Rainfall

In Saint Aubin, during September, the rain falls for 13.4 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 191.6 rainfall days, and 531mm (20.91") of precipitation is accumulated.

Snowfall

February, April through October and December are months without snowfall in Saint Aubin.

Daylight

In September, the average length of the day in Saint Aubin is 12h and 35min.
On the first day of the month, sunrise is at 06:25 and sunset at 19:52. On the last day of September, in Saint Aubin, sunrise is at 07:06 and sunset at 18:50 BST.

Sunshine

In September, the average sunshine in Saint Aubin is 8.6h.

UV index

In Saint Aubin, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Saint Aubin?

In Saint Aubin, in September, the average high-temperature is 17.4°C (63.3°F), and the average low-temperature is 15.6°C (60.1°F).

What is the average humidity in September in Saint Aubin?

In September, the average relative humidity in Saint Aubin is 79%.

How many days does it rain in September in Saint Aubin?

In Saint Aubin, Jersey, in September, it is raining for 13.4 days, with typically 29mm (1.14") of accumulated precipitation.

When it does not snow in Saint Aubin?

February, April through October and December are months without snowfall in Saint Aubin.

How many hours of daylight does Saint Aubin have in September?

In September, the average day length in Saint Aubin is 12h and 35min.

What time are sunrise and sunset in September in Saint Aubin?

On the first day of September in Saint Aubin, Jersey, sunrise is at 06:25 and sunset at 19:52. On the last day of the month, sunrise is at 07:06 and sunset at 18:50 BST.

How long on average sun shines in September in Saint Aubin?

The average sunshine duration in September is 8.6h.

How high is the UV index in September in Saint Aubin?

The average daily maximum UV index in September in Saint Aubin, Jersey, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Saint Aubin, Jersey

Average temperature in September - Saint Aubin, Jersey
  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (9°C).

  • Average low temperature in September: 15.6°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).

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Average pressure in September
Saint Aubin, Jersey

Average pressure in September - Saint Aubin, Jersey
  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

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Average wind speed in September
Saint Aubin, Jersey

Average wind speed in September - Saint Aubin, Jersey
  • Average wind speed in September: 23.9km/h

The windiest month (with the highest average wind speed) is December (34.3km/h).
The calmest month (with the lowest average wind speed) is July (20.6km/h).

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Average humidity in September
Saint Aubin, Jersey

Average humidity in September - Saint Aubin, Jersey
  • Average humidity in September: 79%

The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, November and December (78%).

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Average rainfall in September
Saint Aubin, Jersey

Average rainfall in September - Saint Aubin, Jersey
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are May and July (27mm).

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Average rainfall days in September
Saint Aubin, Jersey

Average rainfall days in September - Saint Aubin, Jersey
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is November (20.7 days).
The month with the least rainy days is May (12.7 days).

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Average snowfall in September
Saint Aubin, Jersey

Average snowfall in September - Saint Aubin, Jersey
  • Average snowfall in September: 0mm

The months with the highest snowfall are January, March and November (1mm).
The months with the least snowfall are February, April, May, June, July, August, September, October and December (0mm).

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Average snowfall days in September
Saint Aubin, Jersey

Average snowfall days in September - Saint Aubin, Jersey
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are February and March (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Saint Aubin, Jersey

Average daylight in September / Average sunshine in September - Saint Aubin, Jersey
  • Average daylight in September: 12h and 35min

The month with the longest days is June (Average daylight: 16h and 10min).
The month with the shortest days is December (Average daylight: 8h and 17min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
Saint Aubin, Jersey

Average sunshine days in September - Saint Aubin, Jersey
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is November (6.5 days).

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Average UV index in September
Saint Aubin, Jersey

Average UV index in September - Saint Aubin, Jersey
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in September
Saint Aubin, Jersey

Average cloud cover in September - Saint Aubin, Jersey
  • Average cloud cover in September: 39

The months with the most cloud cover are January, November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in September
Saint Aubin, Jersey

Average visibility in September - Saint Aubin, Jersey
  • 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).

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