September weather forecastDinard, France

September

Weather in September

September, the first month of the autumn in Dinard, is also an enjoyable month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 19.4°C (66.9°F).

Temperature

Dinard ushers in September with an average high-temperature of a comfortable 19.4°C (66.9°F), showing a close resemblance to the previous month. Dinard encounters a steady low-temperature average of 13°C (55.4°F) throughout the month of September.

Humidity

The least humid month is September, with an average relative humidity of 78%.

Rainfall

The months with the least rainfall are July and September Rain falls for 12.8 days and accumulates 26mm (1.02") of rain.

Snowfall

April through October are months without snowfall in Dinard.

Sea temperature

September is the month with the warmest seawater, with an average sea temperature of 18.2°C (64.8°F).
Note: In water of 18.2°C (64.8°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September in Dinard, sunrise is at 07:26 and sunset at 20:49. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

Sunshine

In Dinard, the average sunshine in September is 7.5h.

UV index

The average daily maximum UV index in September in Dinard, France, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

In Dinard, in September, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 13°C (55.4°F).

September is the least humid month, with an average relative humidity of 78%.

In Dinard, France, the average relative humidity in September is 78%.

The months with the least rainfall in Dinard are July and September Rain falls for 12.8 days and accumulates 26mm (1.02") of rain.

In Dinard, France, in September, it is raining for 12.8 days, with typically 26mm (1.02") of accumulated precipitation.

April through October are months without snowfall.

The month with the warmest seawater in Dinard is September, with an average sea temperature of 18.2°C (64.8°F).

In September, the average sea temperature in Dinard is 18.2°C (64.8°F). For swimming, a surface water temperature of 18.2°C (64.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In Dinard, the average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 07:26 and sunset at 20:49. On the last day of the month, sunrise is at 08:07 and sunset at 19:49 CEST.

In Dinard, the average sunshine duration in September is 7.5h.

In September, the average daily maximum UV index in Dinard is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dinard, France

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 13°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).

Average pressure in September
Dinard, France

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in September
Dinard, France

  • Average wind speed in September: 16.3km/h

The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is August (15.2km/h).

Average humidity in September
Dinard, France

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Dinard, France

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is November (67mm).
The driest months (with the least rainfall) are July and September (26mm).

Average rainfall days in September
Dinard, France

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).

Average snowfall in September
Dinard, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Dinard, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September
Dinard, France

  • Average sea temperature in September: 18.2°C

The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest month (with the lowest average sea temperature) is February (8.7°C).

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

  • Average daylight in September: 12h and 36min

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

  • Average sunshine in September: 7h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Dinard, France

  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is January (8.6 days).

Average UV index in September
Dinard, 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 and February (UV index 2).

Average cloud cover in September
Dinard, France

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 38).

Average visibility in September
Dinard, France

  • Average visibility in September: 10km

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