September weather forecastBielle, France

September

Weather in September

September, the first month of the autumn in Bielle, is still a refreshing month, with an average temperature varying between 19.4°C (66.9°F) and 8.6°C (47.5°F).

Temperature

With the onset of September, Bielle's average high-temperature slightly adjusts, moderately receding from August's agreeable 22.8°C (73°F) to a comfortable 19.4°C (66.9°F). During the nights in September, Bielle experiences a consistent average temperature of 8.6°C (47.5°F).

Humidity

In September, the average relative humidity is 71%.

Rainfall

September is the month with the least rainfall in Bielle. Rain falls for 13.5 days and accumulates 42mm (1.65") of precipitation.

Snowfall

Months with snowfall in Bielle are January through June, September through December. September is the first month it typically snows in Bielle, France. Throughout September, in the average 0.2 snowfall days, it receives 7mm (0.28") of snow. In Bielle, France, during the entire year, snow falls for 84 days and aggregates up to 4085mm (160.83") of snow.

Daylight

In September, the average length of the day in Bielle is 12h and 29min.
On the first day of the month, sunrise is at 07:26 and sunset at 20:36. On the last day of September, sunrise is at 07:58 and sunset at 19:44 CEST.

Sunshine

In Bielle, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

The high-temperature, in September, in Bielle, is 19.4°C (66.9°F), while the low-temperature averages to 8.6°C (47.5°F).

In Bielle, France, the average relative humidity in September is 71%.

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 42mm (1.65") of precipitation.

In September, in Bielle, the rain falls for 13.5 days. Throughout September, 42mm (1.65") of precipitation is accumulated.

September is the first month it typically snows in Bielle, France. Throughout September, in the average 0.2 snowfall days, it receives 7mm (0.28") of snow.

In Bielle, France, the average day length in September is 12h and 29min.

In September, on the first day of the month, sunrise is at 07:26 and sunset at 20:36. On the last day of the month, sunrise is at 07:58 and sunset at 19:44 CEST.

The average sunshine duration in September is 9.4h.

The average daily maximum UV index in September in Bielle, France, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Bielle, France

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The months with the lowest average high temperature are January and February (4.4°C).

  • Average low temperature in September: 8.6°C

The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).

Average pressure in September
Bielle, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Bielle, France

  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is February (9.4km/h).
The calmest months (with the lowest average wind speed) are August and September (6.6km/h).

Average humidity in September
Bielle, France

  • Average humidity in September: 71%

The months with the highest relative humidity are February and November (81%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Bielle, France

  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is September (42mm).

Average rainfall days in September
Bielle, France

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in September
Bielle, France

  • Average snowfall in September: 7mm

The month with the highest snowfall is January (752mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Bielle, France

  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (15.5 days).
The month with the least snowfall days is July (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).

Average sunshine days in September
Bielle, France

  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is October (17.5 days).
The months with the least sunshine days are April and May (7.9 days).

Average UV index in September
Bielle, 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, March, April, November and December (UV index 2).

Average cloud cover in September
Bielle, France

  • Average cloud cover in September: 21

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
Bielle, France

  • Average visibility in September: 9km

The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, April and November (8km).