September weather forecastAchun, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Achun, France, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 10.8°C (51.4°F).

Temperature

September's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 25.3°C (77.5°F) in August to a pleasant 21.3°C (70.3°F). Achun's average low-temperature in September is measured at a fresh 10.8°C (51.4°F).

Humidity

In September, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 7.1 days and typically collects 10mm (0.39") of precipitation.

Snowfall

In Achun, snow does not fall in April through September.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 07:05 and sunset at 20:25. On the last day of September, sunrise is at 07:43 and sunset at 19:26 CEST.

Sunshine

In Achun, the average sunshine in September is 7.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The high-temperature, in September, in Achun, records 21.3°C (70.3°F), while the low-temperature is 10.8°C (51.4°F).

In Achun, the average relative humidity in September is 75%.

September is the month with the least rainfall in Achun. Rain falls for 7.1 days and accumulates 10mm (0.39") of precipitation.

In Achun, during September, the rain falls for 7.1 days and regularly aggregates up to 10mm (0.39") of precipitation.

April through September are months without snowfall.

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

In September, the average day length is 12h and 34min.

In September, on the first day of the month, sunrise is at 07:05 and sunset at 20:25. On the last day of the month, in Achun, sunrise is at 07:43 and sunset at 19:26 CEST.

The average sunshine duration in September is 7.9h.

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Achun, France

  • Average high temperature in September: 21.3°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).

Average pressure in September
Achun, France

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in September
Achun, France

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in September
Achun, France

  • Average humidity in September: 75%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Achun, France

  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is December (28mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in September
Achun, France

  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is September (7.1 days).

Average snowfall in September
Achun, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Achun, France

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Achun, France

  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in September
Achun, 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
Achun, France

  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Achun, France

  • Average visibility in September: 9km

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