September weather forecastHernicourt, France

September

Weather in September

September, the first month of the autumn in Hernicourt, is still a comfortable month, with an average temperature fluctuating between 19.5°C (67.1°F) and 11.2°C (52.2°F).

Temperature

Hernicourt's transition into September involves a gentle shift in temperature, receding from a pleasant 22.8°C (73°F) in August to an enjoyable 19.5°C (67.1°F). Hernicourt experiences an average nighttime temperature of 11.2°C (52.2°F) in the month of September.

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall in Hernicourt is September, when the rain falls for 11.8 days and typically collects 21mm (0.83") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Hernicourt, France, is 12h and 37min.
On the first day of September in Hernicourt, sunrise is at 07:06 and sunset at 20:35. On the last day of the month, sunrise is at 07:50 and sunset at 19:30 CEST.

Sunshine

The average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

In Hernicourt, 19.5°C (67.1°F) is the average high-temperature and 11.2°C (52.2°F) is the average low-temperature during September.

In September, the average relative humidity in Hernicourt, France, is 77%.

The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 21mm (0.83") of precipitation.

In September, in Hernicourt, the rain falls for 11.8 days. Throughout September, 21mm (0.83") of precipitation is accumulated.

In Hernicourt, snow does not fall in April through October.

In September, the average day length is 12h and 37min.

On the first day of September, sunrise is at 07:06 and sunset at 20:35. On the last day of the month, sunrise is at 07:50 and sunset at 19:30 CEST.

The average sunshine duration in September in Hernicourt is 7.3h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Hernicourt, France

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in September
Hernicourt, France

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in September
Hernicourt, France

  • Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).

Average humidity in September
Hernicourt, France

  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Hernicourt, France

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in September
Hernicourt, France

  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is December (15.8 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in September
Hernicourt, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Hernicourt, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Hernicourt, France

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (11.5 days).

Average UV index in September
Hernicourt, 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
Hernicourt, France

  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).

Average visibility in September
Hernicourt, France

  • Average visibility in September: 9km

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