September weather forecastChéhéry, France

September

Weather in September

September, the first month of the autumn in Chéhéry, is still a comfortable month, with an average temperature fluctuating between 9.3°C (48.7°F) and 18.5°C (65.3°F).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from an agreeable 22.3°C (72.1°F) to an enjoyable 18.5°C (65.3°F). In Chéhéry, an average temperature of 9.3°C (48.7°F) is noted during September nights.

Humidity

The average relative humidity in September is 81%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In Chéhéry, France, during the entire year, the rain falls for 179.3 days and collects up to 612mm (24.09") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September in Chéhéry is 7.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 3 in September leads to these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

The high-temperature, in September, in Chéhéry, is 18.5°C (65.3°F), while the low-temperature averages to 9.3°C (48.7°F).

The average relative humidity in September is 81%.

In Chéhéry, in September, during 12.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

May through October are months without snowfall in Chéhéry.

In September, the average day length in Chéhéry, France, 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 September, the average sunshine duration in Chéhéry, France, is 7.8h.

In Chéhéry, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Chéhéry, 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 (3.6°C).

  • Average low temperature in September: 9.3°C

The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in September
Chéhéry, France

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in September
Chéhéry, France

  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Chéhéry, France

  • Average humidity in September: 81%

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

Average rainfall in September
Chéhéry, France

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in September
Chéhéry, France

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).

Average snowfall in September
Chéhéry, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Chéhéry, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.6 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
Chéhéry, 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 48min

The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September
Chéhéry, France

  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).

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

Average cloud cover in September
Chéhéry, France

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Chéhéry, France

  • Average visibility in September: 8km

The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).