September weather forecastBulson, France

September

Weather in September

September, the first month of the autumn in Bulson, is still a comfortable month, with an average temperature ranging between min 9.5°C (49.1°F) and max 18.5°C (65.3°F).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from an agreeable 22.3°C (72.1°F) in August to an enjoyable 18.5°C (65.3°F). An average nighttime temperature of 9.5°C (49.1°F) is noted during the month of September.

Humidity

The average relative humidity in September is 81%.

Rainfall

In Bulson, in September, it is raining for 12.8 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 190 rainfall days, and 635mm (25") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Bulson, the average length of the day in September is 12h and 36min.
On the first day of September, sunrise is at 06:56 and sunset at 20:23. On the last day of the month, sunrise is at 07:39 and sunset at 19:20 CEST.

Sunshine

In Bulson, the average sunshine in September is 7.7h.

UV index

In Bulson, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

The high-temperature during September is 18.5°C (65.3°F) and the low-temperature is 9.5°C (49.1°F).

In September, the average relative humidity is 81%.

In Bulson, in September, during 12.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

In Bulson, snow does not fall in May through September.

In Bulson, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Bulson is 12h and 36min.

On the first day of September, sunrise is at 06:56 and sunset at 20:23. On the last day of the month, sunrise is at 07:39 and sunset at 19:20 CEST.

In Bulson, the average sunshine duration in September is 7.7h.

In Bulson, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Bulson, France

  • Average high temperature in September: 18.5°C

The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).

Average pressure in September
Bulson, 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 (1013.4mbar).

Average wind speed in September
Bulson, France

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Bulson, France

  • Average humidity in September: 81%

The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September
Bulson, France

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is April (35mm).

Average rainfall days in September
Bulson, France

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is December (18.4 days).
The month with the least rainy days is September (12.8 days).

Average snowfall in September
Bulson, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bulson, France

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (4.7 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
Bulson, 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 42min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in September
Bulson, France

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is December (9.5 days).

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

Average cloud cover in September
Bulson, France

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Bulson, France

  • Average visibility in September: 8km

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