September weather forecast
Vingtaine de l'Epine, Guernsey

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Weather in September

The onset of autumn in September witnesses a mild drop in temperatures to between 14.9°C (58.8°F) and 17.3°C (63.1°F). Compared to the hotter August, September brings slight relief with cooler temperatures in Vingtaine de l'Epine, Guernsey. The humidity slightly decreases, bringing balance to the air. Rainfall increases slightly, matching the cooling temperatures. As daylight hours diminish and sunshine becomes less frequent, September embraces the incoming autumn gracefully.

Temperature

September's arrival shows an average high-temperature of a still refreshing 17.3°C (63.1°F), hardly different from the previous month. Vingtaine de l'Epine's September nights demonstrate minimal variation from the daytime temperatures, with an average of 14.9°C (58.8°F).

Humidity

The average relative humidity in September is 80%.

Rainfall

In September, in Vingtaine de l'Epine, the rain falls for 13.6 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Vingtaine de l'Epine, there are 195.6 rainfall days, and 554mm (21.81") of precipitation is accumulated.

Snowfall

In Vingtaine de l'Epine, Guernsey, snow does not fall in February through December.

Daylight

In September, the average length of the day in Vingtaine de l'Epine is 12h and 36min.
On the first day of September in Vingtaine de l'Epine, sunrise is at 06:27 and sunset at 19:53. On the last day of the month, sunrise is at 07:09 and sunset at 18:50 BST.

Sunshine

In September, the average sunshine in Vingtaine de l'Epine is 8.3h.

UV index

July through September, with an average maximum UV index of 5, are months with the highest UV index in Vingtaine de l'Epine. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 5 in September transforms into this advice:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the temperature in September in Vingtaine de l'Epine?

The average high-temperature and low-temperature in Vingtaine de l'Epine during September are 17.3°C (63.1°F) and 14.9°C (58.8°F) respectively.

What is the average humidity in September in Vingtaine de l'Epine?

The average relative humidity in September in Vingtaine de l'Epine is 80%.

How many days does it rain in September in Vingtaine de l'Epine?

In Vingtaine de l'Epine, Guernsey, in September, during 13.6 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

When it does not snow in Vingtaine de l'Epine?

February through December are months without snowfall in Vingtaine de l'Epine, Guernsey.

How many hours of daylight does Vingtaine de l'Epine have in September?

The average day length in September is 12h and 36min.

When are sunrise and sunset in September in Vingtaine de l'Epine?

In September, on the first day of the month, sunrise is at 06:27 and sunset at 19:53. On the last day of the month, sunrise is at 07:09 and sunset at 18:50 BST.

How long on average sun shines in September in Vingtaine de l'Epine?

In September, the average sunshine duration in Vingtaine de l'Epine is 8.3h.

What is the month with the highest UV index in Vingtaine de l'Epine?

The months with the highest UV index in Vingtaine de l'Epine, Guernsey, are July through September, with an average maximum UV index of 5.

What is the UV index reading in September in Vingtaine de l'Epine?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Vingtaine de l'Epine, Guernsey

Average temperature in September - Vingtaine de l
  • Average high temperature in September: 17.3°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).

  • Average low temperature in September: 14.9°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).

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Average pressure in September
Vingtaine de l'Epine, Guernsey

Average pressure in September - Vingtaine de l
  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

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Average wind speed in September
Vingtaine de l'Epine, Guernsey

Average wind speed in September - Vingtaine de l
  • Average wind speed in September: 25.7km/h

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

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Average humidity in September
Vingtaine de l'Epine, Guernsey

Average humidity in September - Vingtaine de l
  • Average humidity in September: 80%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).

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Average rainfall in September
Vingtaine de l'Epine, Guernsey

Average rainfall in September - Vingtaine de l
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is July (26mm).

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Average rainfall days in September
Vingtaine de l'Epine, Guernsey

Average rainfall days in September - Vingtaine de l
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is June (11.4 days).

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Average snowfall in September
Vingtaine de l'Epine, Guernsey

Average snowfall in September - Vingtaine de l
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in September
Vingtaine de l'Epine, Guernsey

Average snowfall days in September - Vingtaine de l
  • Average snowfall days in September: 0 days

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

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Average daylight in September /
Average sunshine in September
Vingtaine de l'Epine, Guernsey

Average daylight in September / Average sunshine in September - Vingtaine de l
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

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Average sunshine days in September
Vingtaine de l'Epine, Guernsey

Average sunshine days in September - Vingtaine de l
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4.2 days).

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Average UV index in September
Vingtaine de l'Epine, Guernsey

Average UV index in September - Vingtaine de l
  • Average UV index in September: 5

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

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Average cloud cover in September
Vingtaine de l'Epine, Guernsey

Average cloud cover in September - Vingtaine de l
  • Average cloud cover in September: 41

The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in September
Vingtaine de l'Epine, Guernsey

Average visibility in September - Vingtaine de l
  • 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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Vingtaine de l'Epine, Guernsey

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