September weather forecastPontchâteau, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Pontchâteau, France, with an average temperature varying between 12.9°C (55.2°F) and 20.7°C (69.3°F).

Temperature

September's arrival registers an average high-temperature of a still agreeable 20.7°C (69.3°F), closely aligning with the temperature of the previous month. An average low-temperature of 12.9°C (55.2°F) is anticipated throughout the nights during September.

Humidity

The months with the lowest humidity in Pontchâteau are July through September, with an average relative humidity of 76%.

Rainfall

In Pontchâteau, in September, during 9.7 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Pontchâteau, during the entire year, the rain falls for 164.1 days and collects up to 535mm (21.06") of precipitation.

Snowfall

March, May through October are months without snowfall.

Daylight

The average length of the day in September in Pontchâteau is 12h and 34min.
On the first day of September, sunrise is at 07:27 and sunset at 20:48. On the last day of the month, sunrise is at 08:06 and sunset at 19:49 CEST.

Sunshine

In Pontchâteau, the average sunshine in September is 8.1h.

UV index

In Pontchâteau, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

The high-temperature in Pontchâteau during September is 20.7°C (69.3°F) and the low-temperature is 12.9°C (55.2°F).

The months with the lowest humidity are July through September, with an average relative humidity of 76%.

In Pontchâteau, France, the average relative humidity in September is 76%.

In Pontchâteau, during September, the rain falls for 9.7 days and regularly aggregates up to 23mm (0.91") of precipitation.

In Pontchâteau, snow does not fall in March, May through October.

The average day length in September in Pontchâteau, France, is 12h and 34min.

On the first day of September in Pontchâteau, sunrise is at 07:27 and sunset at 20:48. On the last day of the month, sunrise is at 08:06 and sunset at 19:49 CEST.

In September, the average sunshine duration in Pontchâteau is 8.1h.

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Pontchâteau, France

  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 12.9°C

The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average pressure in September
Pontchâteau, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).

Average wind speed in September
Pontchâteau, France

  • Average wind speed in September: 14.8km/h

The windiest month (with the highest average wind speed) is February (21.1km/h).
The calmest month (with the lowest average wind speed) is August (14.1km/h).

Average humidity in September
Pontchâteau, France

  • Average humidity in September: 76%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July, August and September (76%).

Average rainfall in September
Pontchâteau, France

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is July (22mm).

Average rainfall days in September
Pontchâteau, France

  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is January (18.1 days).
The month with the least rainy days is September (9.7 days).

Average snowfall in September
Pontchâteau, France

  • Average snowfall in September: 0mm

The months with the highest snowfall are January, February, April, November and December (1mm).
The months with the least snowfall are March, May, June, July, August, September and October (0mm).

Average snowfall days in September
Pontchâteau, France

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.3 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
Pontchâteau, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in September
Pontchâteau, France

  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is November (10.5 days).

Average UV index in September
Pontchâteau, France

  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Pontchâteau, France

  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in September
Pontchâteau, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).