September weather forecast
Roche-lès-Clerval, France

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Weather in September

September, the first month of the autumn in Roche-lès-Clerval, is still a refreshing month, with an average temperature fluctuating between 8.5°C (47.3°F) and 18.5°C (65.3°F).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 22.8°C (73°F) to an enjoyable 18.5°C (65.3°F). Roche-lès-Clerval registers a consistent average low-temperature of 8.5°C (47.3°F) during September.

Humidity

The average relative humidity in September is 83%.

Rainfall

The month with the least rainfall in Roche-lès-Clerval is September, when the rain falls for 14.3 days and typically collects 40mm (1.57") of precipitation.

Snowfall

June through September are months without snowfall in Roche-lès-Clerval.

Daylight

In Roche-lès-Clerval, the average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:53 and sunset at 20:14. On the last day of September, in Roche-lès-Clerval, sunrise is at 07:32 and sunset at 19:15 CEST.

Sunshine

The average sunshine in September in Roche-lès-Clerval, France, is 8.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the UV index of 3 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are the temperatures in Roche-lès-Clerval in September?

An average high-temperature, in September, in Roche-lès-Clerval, is 18.5°C (65.3°F) and the average low-temperature is 8.5°C (47.3°F).

What is the average humidity in September in Roche-lès-Clerval?

In Roche-lès-Clerval, the average relative humidity in September is 83%.

What is the driest month in Roche-lès-Clerval?

The month with the least rainfall in Roche-lès-Clerval, France, is September, when the rain falls for 14.3 days and typically collects 40mm (1.57") of precipitation.

How many days does it rain in September in Roche-lès-Clerval?

In Roche-lès-Clerval, during September, the rain falls for 14.3 days and regularly aggregates up to 40mm (1.57") of precipitation.

When it does not snow in Roche-lès-Clerval?

June through September are months without snowfall.

Does it snow in Roche-lès-Clerval in September?

In Roche-lès-Clerval, France, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Roche-lès-Clerval?

In September, the average day length in Roche-lès-Clerval is 12h and 34min.

What time are sunrise and sunset in September in Roche-lès-Clerval?

On the first day of September, sunrise is at 06:53 and sunset at 20:14. On the last day of the month, sunrise is at 07:32 and sunset at 19:15 CEST.

How many hours of sunshine does Roche-lès-Clerval have in September?

In Roche-lès-Clerval, France, the average sunshine duration in September is 8.3h.

How high is the UV index in September in Roche-lès-Clerval?

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Roche-lès-Clerval, France

Average temperature in September - Roche-lès-Clerval, France
  • Average high temperature in September: 18.5°C

The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).

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Average pressure in September
Roche-lès-Clerval, France

Average pressure in September - Roche-lès-Clerval, France
  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).

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Average wind speed in September
Roche-lès-Clerval, France

Average wind speed in September - Roche-lès-Clerval, France
  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

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Average humidity in September
Roche-lès-Clerval, France

Average humidity in September - Roche-lès-Clerval, France
  • Average humidity in September: 83%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (80%).

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Average rainfall in September
Roche-lès-Clerval, France

Average rainfall in September - Roche-lès-Clerval, France
  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is June (94mm).
The driest month (with the least rainfall) is September (40mm).

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Average rainfall days in September
Roche-lès-Clerval, France

Average rainfall days in September - Roche-lès-Clerval, France
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (10.6 days).

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Average snowfall in September
Roche-lès-Clerval, France

Average snowfall in September - Roche-lès-Clerval, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (170mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Roche-lès-Clerval, France

Average snowfall days in September - Roche-lès-Clerval, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Roche-lès-Clerval, France

Average daylight in September / Average sunshine in September - Roche-lès-Clerval, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in September
Roche-lès-Clerval, France

Average sunshine days in September - Roche-lès-Clerval, France
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (6.7 days).

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Average UV index in September
Roche-lès-Clerval, France

Average UV index in September - Roche-lès-Clerval, France
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in September
Roche-lès-Clerval, France

Average cloud cover in September - Roche-lès-Clerval, France
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Roche-lès-Clerval, France

Average visibility in September - Roche-lès-Clerval, France
  • Average visibility in September: 8km

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

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Roche-lès-Clerval, France

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