September weather forecast and climate
Ponthévrard, France

The first month of the autumn, September, is also an agreeable month in Ponthévrard, France, with temperature in the range of an average high of 21.1°C (70°F) and an average low of 11.8°C (53.2°F).

Temperature

In Ponthévrard, the average high-temperature in September marginally drops, from a moderately hot 24.3°C (75.7°F) in August, to a pleasant 21.1°C (70°F). In Ponthévrard, the average low-temperature is 11.8°C (53.2°F).

Humidity

The average relative humidity in Ponthévrard, France, is 72%.

Rainfall

In September, in Ponthévrard, the rain falls for 10.3 days. Throughout September, 18mm (0.71") of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 321mm (12.64") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Ponthévrard, France.

Daylight

In September, the average length of the day in Ponthévrard, France, is 12.6h.

Sunshine

The average sunshine is 7.6h.

UV index

The average daily maximum UV index in Ponthévrard is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Ponthévrard?

In Ponthévrard, in September, the average high-temperature is 21.1°C (70°F), and the average low-temperature is 11.8°C (53.2°F).

What is the average humidity in September in Ponthévrard?

The average relative humidity in September is 72%.

How many days does it rain in September in Ponthévrard?

In Ponthévrard, in September, during 10.3 rainfall days, 18mm (0.71") of precipitation is typically accumulated.

When it does not snow in Ponthévrard?

In Ponthévrard snow does not fall in April through October.

What is the average length of the day in September in Ponthévrard?

In Ponthévrard, the average length of the day in September is 12.6h.

How long on average sun shines in September in Ponthévrard?

The average sunshine in September is 7.6h.

How high is the UV index in September in Ponthévrard?

The average daily maximum UV index in September in Ponthévrard is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Ponthévrard, France
  • Average high temperature in September: 21.1°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 11.8°C

Months with the highest average low temperature are July and August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).

Average pressure in September - Ponthévrard, France
  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).

Average wind speed in September - Ponthévrard, France
  • Average wind speed in September: 10.8km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in September - Ponthévrard, France
  • Average humidity in September: 72%

Months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September - Ponthévrard, France
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September - Ponthévrard, France
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (10.1 days).

Average snowfall in September - Ponthévrard, France
  • Average snowfall in September: 0mm

Months with the highest snowfall are January, March and December (18mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Ponthévrard, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Ponthévrard, France
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in September: 7.6h

Months with the most sunshine are July and August (Average sunshine: 9.1h).
The month with the least sunshine is January (Average sunshine: 3.8h).

Average sunshine days in September - Ponthévrard, France
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in September - Ponthévrard, France
  • Average UV index in September: 4

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

Average cloud cover in September - Ponthévrard, France
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 60).
Months with the least cloud cover are August and September (Cloud cover 39).

Average visibility in September - Ponthévrard, France
  • Average visibility in September: 9km

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