September weather forecastBarfleur, France

September

Weather in September

September, the first month of the autumn in Barfleur, is also an enjoyable month, with temperature in the range of an average low of 13.7°C (56.7°F) and an average high of 17.8°C (64°F).

Temperature

Barfleur's September reports an average high-temperature of a still refreshing 17.8°C (64°F), exhibiting a minor difference from August. The nighttime temperature in Barfleur demonstrates a marginal decline, averaging at a moderate 13.7°C (56.7°F) during September.

Humidity

September, October and December, with an average relative humidity of 80%, are the least humid months.

Rainfall

In Barfleur, France, in September, it is raining for 13.7 days, with typically 30mm (1.18") of accumulated precipitation. In Barfleur, during the entire year, the rain falls for 185.4 days and collects up to 507mm (19.96") of precipitation.

Snowfall

In Barfleur, snow does not fall in April through October.

Daylight

In Barfleur, the average length of the day in September is 12h and 36min.
On the first day of September in Barfleur, sunrise is at 07:21 and sunset at 20:48. On the last day of the month, sunrise is at 08:04 and sunset at 19:45 CEST.

Sunshine

The average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

In Barfleur, 17.8°C (64°F) is the average high-temperature and 13.7°C (56.7°F) is the average low-temperature during September.

The months with the lowest humidity are September, October and December, with an average relative humidity of 80%.

In Barfleur, France, the average relative humidity in September is 80%.

In Barfleur, in September, during 13.7 rainfall days, 30mm (1.18") of precipitation is typically accumulated.

April through October are months without snowfall in Barfleur, France.

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

In September, on the first day of the month, sunrise is at 07:21 and sunset at 20:48. On the last day of the month, in Barfleur, France, sunrise is at 08:04 and sunset at 19:45 CEST.

In Barfleur, the average sunshine duration in September is 7.4h.

The average daily maximum UV index in September in Barfleur, France, is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Barfleur, France

  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is August (19.2°C).
The month with the lowest average high temperature is February (8.5°C).

  • Average low temperature in September: 13.7°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (5.7°C).

Average pressure in September
Barfleur, France

  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in September
Barfleur, France

  • Average wind speed in September: 20.5km/h

The windiest month (with the highest average wind speed) is December (29km/h).
The calmest months (with the lowest average wind speed) are July and August (18.4km/h).

Average humidity in September
Barfleur, France

  • Average humidity in September: 80%

The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are September, October and December (80%).

Average rainfall in September
Barfleur, France

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (67mm).
The driest month (with the least rainfall) is May (24mm).

Average rainfall days in September
Barfleur, France

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is December (19.9 days).
The month with the least rainy days is May (12.1 days).

Average snowfall in September
Barfleur, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Barfleur, France

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Barfleur, France

  • Average daylight in September: 12h and 36min

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: 7h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Barfleur, France

  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is November (6.9 days).

Average UV index in September
Barfleur, France

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in September
Barfleur, France

  • Average cloud cover in September: 42

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).

Average visibility in September
Barfleur, France

  • Average visibility in September: 10km

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