September weather forecastBayenghem-lès-Éperlecques, France

September

Weather in September

September, the first month of the autumn in Bayenghem-lès-Éperlecques, is still a refreshing month, with an average temperature ranging between max 17.9°C (64.2°F) and min 14.5°C (58.1°F).

Temperature

The average high-temperature during September registers at a still refreshing 17.9°C (64.2°F), closely corresponding to the preceding month. The nights of September cool down to an average low of 14.5°C (58.1°F), subtly lower than daytime highs.

Humidity

September is the least humid month, with an average relative humidity of 78%.

Rainfall

In Bayenghem-lès-Éperlecques, in September, it is raining for 13.8 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 178.1 rainfall days, and 461mm (18.15") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 37min.
On the first day of September, sunrise is at 07:06 and sunset at 20:36. On the last day of the month, sunrise is at 07:51 and sunset at 19:31 CEST.

Sunshine

In September, the average sunshine is 7.3h.

UV index

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: An average UV index of 4 in September transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

During September, Bayenghem-lès-Éperlecques experiences an average high-temperature of 17.9°C (64.2°F) and a low-temperature of 14.5°C (58.1°F).

With an average relative humidity of 78%, September is the least humid month.

In Bayenghem-lès-Éperlecques, the average relative humidity in September is 78%.

In Bayenghem-lès-Éperlecques, during September, the rain falls for 13.8 days and regularly aggregates up to 34mm (1.34") of precipitation.

In Bayenghem-lès-Éperlecques, snow does not fall in April through October.

In Bayenghem-lès-Éperlecques, the average day length in September is 12h and 37min.

On the first day of September, sunrise is at 07:06 and sunset at 20:36. On the last day of the month, sunrise is at 07:51 and sunset at 19:31 CEST.

In September, the average sunshine duration is 7.3h.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Bayenghem-lès-Éperlecques, France

  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is February (7.1°C).

  • Average low temperature in September: 14.5°C

The month with the highest average low temperature is August (15.9°C).
The coldest months (with the lowest average low temperature) are January and February (4.5°C).

Average pressure in September
Bayenghem-lès-Éperlecques, France

  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in September
Bayenghem-lès-Éperlecques, France

  • Average wind speed in September: 20.8km/h

The windiest month (with the highest average wind speed) is December (28.2km/h).
The calmest month (with the lowest average wind speed) is July (19km/h).

Average humidity in September
Bayenghem-lès-Éperlecques, France

  • Average humidity in September: 78%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Bayenghem-lès-Éperlecques, France

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is October (55mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Bayenghem-lès-Éperlecques, France

  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is November (19.5 days).
The month with the least rainy days is April (12.2 days).

Average snowfall in September
Bayenghem-lès-Éperlecques, France

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Bayenghem-lès-Éperlecques, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.3 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
Bayenghem-lès-Éperlecques, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 6min).

Average sunshine days in September
Bayenghem-lès-Éperlecques, France

  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is November (8.8 days).

Average UV index in September
Bayenghem-lès-Éperlecques, 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 and February (UV index 2).

Average cloud cover in September
Bayenghem-lès-Éperlecques, France

  • Average cloud cover in September: 40

The months with the most cloud cover are November and December (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 39).

Average visibility in September
Bayenghem-lès-Éperlecques, France

  • 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).