September weather forecastLe Hézo, France

September

Weather in September

September, the first month of the autumn in Le Hézo, is also an enjoyable month, with temperature in the range of an average high of 19.7°C (67.5°F) and an average low of 13.2°C (55.8°F).

Temperature

September brings an average high-temperature of a refreshing 19.7°C (67.5°F), nearly identical to the preceding month. The average low-temperature of 13.2°C (55.8°F) is witnessed during September.

Humidity

The months with the lowest humidity in Le Hézo are August and September, with an average relative humidity of 78%.

Rainfall

September is the month with the least rainfall in Le Hézo. Rain falls for 10 days and accumulates 24mm (0.94") of precipitation.

Snowfall

January, March, May through November are months without snowfall.

Daylight

In Le Hézo, the average length of the day in September is 12h and 34min.
On the first day of September in Le Hézo, sunrise is at 07:30 and sunset at 20:51. On the last day of the month, sunrise is at 08:09 and sunset at 19:52 CEST.

Sunshine

The average sunshine in September in Le Hézo is 8h.

UV index

The average daily maximum UV index in September in Le Hézo, France, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

In September, in Le Hézo, the average high-temperature is 19.7°C (67.5°F), and the average low-temperature is 13.2°C (55.8°F).

August and September, with an average relative humidity of 78%, are the least humid months in Le Hézo.

In Le Hézo, the average relative humidity in September is 78%.

The month with the least rainfall in Le Hézo, France, is September, when the rain falls for 10 days and typically collects 24mm (0.94") of precipitation.

In Le Hézo, in September, during 10 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

January, March, May through November are months without snowfall in Le Hézo.

In Le Hézo, the average day length in September is 12h and 34min.

On the first day of September in Le Hézo, France, sunrise is at 07:30 and sunset at 20:51. On the last day of the month, sunrise is at 08:09 and sunset at 19:52 CEST.

In September, the average sunshine duration in Le Hézo is 8h.

In Le Hézo, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Le Hézo, France

  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

Average pressure in September
Le Hézo, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in September
Le Hézo, France

  • Average wind speed in September: 16.1km/h

The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).

Average humidity in September
Le Hézo, France

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).

Average rainfall in September
Le Hézo, France

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in September
Le Hézo, France

  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).

Average snowfall in September
Le Hézo, France

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Le Hézo, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Le Hézo, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Le Hézo, France

  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).

Average UV index in September
Le Hézo, France

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in September
Le Hézo, France

  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in September
Le Hézo, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).