September weather forecast
Normandy, United Kingdom

Weather in September

The first month of the autumn, September, is still a comfortable month in Normandy, United Kingdom, with average temperature varying between 10.8°C (51.4°F) and 18.6°C (65.5°F).

Temperature

In Normandy, the average high-temperature is almost the same as in August - a comfortable 18.6°C (65.5°F). The average low-temperature, in Normandy, is 10.8°C (51.4°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Normandy, United Kingdom, during September, the rain falls for 13.4 days and regularly aggregates up to 33mm (1.3") of precipitation. In Normandy, during the entire year, the rain falls for 192.1 days and collects up to 499mm (19.65") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12.6h.

Sunshine

In Normandy, United Kingdom, the average sunshine in September is 7.4h.

UV index

In Normandy, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
[Resources]

FAQ

What is the average humidity in September in Normandy?

In September, the average relative humidity is 79%.

How many days does it rain in September in Normandy?

In Normandy, United Kingdom, in September, it is raining for 13.4 days, with typically 33mm (1.3") of accumulated precipitation.

When it does not snow in Normandy?

April through October are months without snowfall in Normandy, United Kingdom.

What is the average length of the day in September in Normandy?

In Normandy, United Kingdom, the average length of the day in September is 12.6h.

How long on average sun shines in September in Normandy?

The average sunshine in September in Normandy, United Kingdom, is 7.4h.

What is the UV index intensity in September in Normandy?

In September, the average daily maximum UV index in Normandy is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Normandy, United Kingdom

Average temperature in September - Normandy, United Kingdom
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

[Resources]

Average pressure in September
Normandy, United Kingdom

Average pressure in September - Normandy, United Kingdom
  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

[Resources]

Average wind speed in September
Normandy, United Kingdom

Average wind speed in September - Normandy, United Kingdom
  • Average wind speed in September: 13.1km/h

The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

[Resources]

Average humidity in September
Normandy, United Kingdom

Average humidity in September - Normandy, United Kingdom
  • Average humidity in September: 79%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is July (77%).

[Resources]

Average rainfall in September
Normandy, United Kingdom

Average rainfall in September - Normandy, United Kingdom
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (25mm).

[Resources]

Average rainfall days in September
Normandy, United Kingdom

Average rainfall days in September - Normandy, United Kingdom
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (20.1 days).
Months with the least rainy days are March and September (13.4 days).

[Resources]

Average snowfall in September
Normandy, United Kingdom

Average snowfall in September - Normandy, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in September
Normandy, United Kingdom

Average snowfall days in September - Normandy, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Normandy, United Kingdom

Average daylight in September / Average sunshine in September - Normandy, United Kingdom
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in September: 7.4h

The month with the most sunshine is July (Average sunshine: 8.4h).
The month with the least sunshine is February (Average sunshine: 3.8h).

[Resources]

Average sunshine days in September
Normandy, United Kingdom

Average sunshine days in September - Normandy, United Kingdom
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is August (7.3 days).

[Resources]

Average UV index in September
Normandy, United Kingdom

Average UV index in September - Normandy, United Kingdom
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in September
Normandy, United Kingdom

Average cloud cover in September - Normandy, United Kingdom
  • Average cloud cover in September: 47

Months with the most cloud cover are February and November (Cloud cover 60).
Months with the least cloud cover are April and September (Cloud cover 47).

[Resources]

Average visibility in September
Normandy, United Kingdom

Average visibility in September - Normandy, United Kingdom
  • Average visibility in September: 9km

Months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
Months with the lowest visibility are January, November and December (8km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location