September weather forecastNorroy-le-Sec, France

September

Weather in September

September, the first month of the autumn in Norroy-le-Sec, is still a comfortable month, with an average temperature varying between 19.2°C (66.6°F) and 9.5°C (49.1°F).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 23.1°C (73.6°F) in August to a comfortable 19.2°C (66.6°F). Norroy-le-Sec in September anticipates an average nighttime temperature of 9.5°C (49.1°F).

Humidity

In Norroy-le-Sec, the average relative humidity in September is 79%.

Rainfall

In Norroy-le-Sec, during September, the rain falls for 11.7 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, there are 185.5 rainfall days, and 593mm (23.35") of precipitation is accumulated.

Snowfall

In Norroy-le-Sec, snow does not fall in April through September.

Daylight

In September, the average length of the day in Norroy-le-Sec is 12h and 36min.
On the first day of September in Norroy-le-Sec, sunrise is at 06:53 and sunset at 20:19. On the last day of the month, sunrise is at 07:35 and sunset at 19:17 CEST.

Sunshine

The average sunshine in September in Norroy-le-Sec is 8.1h.

UV index

In Norroy-le-Sec, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

An average high-temperature, in September, in Norroy-le-Sec, is 19.2°C (66.6°F) and the average low-temperature is 9.5°C (49.1°F).

The average relative humidity in September in Norroy-le-Sec is 79%.

In Norroy-le-Sec, in September, it is raining for 11.7 days, with typically 40mm (1.57") of accumulated precipitation.

April through September are months without snowfall in Norroy-le-Sec.

In Norroy-le-Sec, France, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Norroy-le-Sec is 12h and 36min.

In September, on the first day of the month, sunrise is at 06:53 and sunset at 20:19. On the last day of the month, sunrise is at 07:35 and sunset at 19:17 CEST.

In Norroy-le-Sec, France, the average sunshine duration in September is 8.1h.

In September, the average daily maximum UV index in Norroy-le-Sec is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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
Norroy-le-Sec, France

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

Average pressure in September
Norroy-le-Sec, France

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in September
Norroy-le-Sec, France

  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in September
Norroy-le-Sec, France

  • Average humidity in September: 79%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Norroy-le-Sec, France

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days in September
Norroy-le-Sec, France

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (11.7 days).

Average snowfall in September
Norroy-le-Sec, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (55mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Norroy-le-Sec, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.1 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
Norroy-le-Sec, 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 18min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Norroy-le-Sec, France

  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (8.4 days).

Average UV index in September
Norroy-le-Sec, 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
Norroy-le-Sec, France

  • Average cloud cover in September: 39

The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Norroy-le-Sec, France

  • Average visibility in September: 8km

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