September weather forecastLe Châtel, France

September

Weather in September

The first month of the autumn, September, is still a cool month in Le Châtel, France, with an average temperature varying between 12.8°C (55°F) and 3.3°C (37.9°F).

Temperature

Le Châtel experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from an enjoyable 17°C (62.6°F) in August to a cool 12.8°C (55°F). Le Châtel, in September, experiences an average temperature of 3.3°C (37.9°F) at night.

Humidity

The average relative humidity in September is 79%.

Rainfall

In Le Châtel, during September, the rain falls for 12 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Le Châtel, there are 101.3 rainfall days, and 376mm (14.8") of precipitation is accumulated.

Snowfall

Months with snowfall in Le Châtel, France, are January through December. In Le Châtel, during September, snow falls for 2.6 days and regularly aggregates up to 41mm (1.61") of snow. In Le Châtel, France, during the entire year, snow falls for 101.9 days and aggregates up to 1645mm (64.76") of snow.

Daylight

In Le Châtel, France, the average length of the day in September is 12h and 32min.
On the first day of September in Le Châtel, sunrise is at 06:56 and sunset at 20:11. On the last day of the month, sunrise is at 07:32 and sunset at 19:16 CEST.

Sunshine

The average sunshine in September in Le Châtel is 8.8h.

UV index

In Le Châtel, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

In September, in Le Châtel, the average high-temperature is 12.8°C (55°F), and the average low-temperature is 3.3°C (37.9°F).

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

In Le Châtel, France, in September, it is raining for 12 days, with typically 26mm (1.02") of accumulated precipitation.

In September, it is snowing for 2.6 days. Throughout September, 41mm (1.61") of snow is accumulated.

The average day length in September in Le Châtel, France, is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:56 and sunset at 20:11. On the last day of the month, in Le Châtel, France, sunrise is at 07:32 and sunset at 19:16 CEST.

In Le Châtel, France, the average sunshine duration in September is 8.8h.

In September, the average daily maximum UV index in Le Châtel, France, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Le Châtel, France

  • Average high temperature in September: 12.8°C

The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in September: 3.3°C

The month with the highest average low temperature is August (5.8°C).
The coldest month (with the lowest average low temperature) is January (-12°C).

Average pressure in September
Le Châtel, France

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in September
Le Châtel, France

  • Average wind speed in September: 6.1km/h

The windiest month (with the highest average wind speed) is November (8.1km/h).
The calmest months (with the lowest average wind speed) are August and September (6.1km/h).

Average humidity in September
Le Châtel, France

  • Average humidity in September: 79%

The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Le Châtel, France

  • Average rainfall in September: 26mm

The wettest months (with the highest rainfall) are November and December (45mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in September
Le Châtel, France

  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in September
Le Châtel, France

  • Average snowfall in September: 41mm

The month with the highest snowfall is November (317mm).
The month with the least snowfall is July (2mm).

Average snowfall days in September
Le Châtel, France

  • Average snowfall days in September: 2.6 days

The months with the highest number of snowfall days are February and November (13.7 days).
The months with the least snowfall days are July and August (0.8 days).

Average daylight in September /
Average sunshine in September
Le Châtel, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Le Châtel, France

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is June (12.1 days).

Average UV index in September
Le Châtel, France

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in September
Le Châtel, France

  • Average cloud cover in September: 35

The month with the most cloud cover is May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Le Châtel, France

  • Average visibility in September: 8km

The month with the highest visibility is August (9km).
The months with the lowest visibility are January and February (6km).