September weather forecastBourdonnay, France

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Bourdonnay, France, with an average temperature varying between 19.5°C (67.1°F) and 9.7°C (49.5°F).

Temperature

With the arrival of September, Bourdonnay notices a mild change in the average high-temperature, sliding from August's moderately hot 23.5°C (74.3°F) to an enjoyable 19.5°C (67.1°F). Throughout September, the temperature in Bourdonnay falls to an average low of 9.7°C (49.5°F).

Humidity

In September, the average relative humidity in Bourdonnay is 79%.

Rainfall

In Bourdonnay, in September, during 11.7 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 179 rainfall days, and 518mm (20.39") of precipitation is accumulated.

Snowfall

In Bourdonnay, snow does not fall in May through October.

Daylight

The average length of the day in September in Bourdonnay is 12h and 35min.
On the first day of the month, sunrise is at 06:50 and sunset at 20:15. On the last day of September, in Bourdonnay, sunrise is at 07:31 and sunset at 19:13 CEST.

Sunshine

The average sunshine in September in Bourdonnay is 8.4h.

UV index

The average daily maximum UV index in September in Bourdonnay, France, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

The average high-temperature, in September, in Bourdonnay, is 19.5°C (67.1°F), while the average low-temperature is 9.7°C (49.5°F).

In September, the average relative humidity in Bourdonnay, France, is 79%.

In September, the rain falls for 11.7 days. Throughout September, 33mm (1.3") of precipitation is accumulated.

May through October are months without snowfall.

In September, the average day length in Bourdonnay is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:50 and sunset at 20:15. On the last day of the month, in Bourdonnay, France, sunrise is at 07:31 and sunset at 19:13 CEST.

In September, the average sunshine duration is 8.4h.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Bourdonnay, France

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).

Average pressure in September
Bourdonnay, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).

Average wind speed in September
Bourdonnay, France

  • Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in September
Bourdonnay, France

  • Average humidity in September: 79%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Bourdonnay, France

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in September
Bourdonnay, France

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).

Average snowfall in September
Bourdonnay, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Bourdonnay, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

Average sunshine days in September
Bourdonnay, France

  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in September
Bourdonnay, 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, November and December (UV index 2).

Average cloud cover in September
Bourdonnay, France

  • Average cloud cover in September: 35

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Bourdonnay, France

  • Average visibility in September: 9km

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