September weather forecastSaint-May, France

September

Weather in September

September, the first month of the autumn in Saint-May, is still a refreshing month, with an average temperature ranging between min 8.3°C (46.9°F) and max 18.1°C (64.6°F).

Temperature

The onset of September brings a small shift in high-temperatures, falling from an agreeable 22.4°C (72.3°F) in August to a refreshing 18.1°C (64.6°F). Throughout September, the average low-temperature dips to a frosty 8.3°C (46.9°F).

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, in Saint-May, the rain falls for 10.7 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 108.8 rainfall days, and 640mm (25.2") of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 13mm (0.51") of snow. Throughout the year, there are 47.2 snowfall days, and 1756mm (69.13") of snow is accumulated.

Daylight

In September, the average length of the day in Saint-May is 12h and 31min.
On the first day of the month, sunrise is at 07:02 and sunset at 20:15. On the last day of September, in Saint-May, sunrise is at 07:35 and sunset at 19:21 CEST.

Sunshine

The average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

In Saint-May, in September, the average high-temperature is 18.1°C (64.6°F), and the average low-temperature is 8.3°C (46.9°F).

In Saint-May, France, the average relative humidity in September is 77%.

In Saint-May, France, in September, during 10.7 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 13mm (0.51") of snow.

In Saint-May, the average day length in September is 12h and 31min.

In September, on the first day of the month, sunrise is at 07:02 and sunset at 20:15. On the last day of the month, sunrise is at 07:35 and sunset at 19:21 CEST.

The average sunshine duration in September in Saint-May, France, is 9.2h.

In Saint-May, France, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Saint-May, France

  • Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).

Average pressure in September
Saint-May, France

  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).

Average wind speed in September
Saint-May, France

  • Average wind speed in September: 8km/h

The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (8km/h).

Average humidity in September
Saint-May, France

  • Average humidity in September: 77%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Saint-May, France

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is February (38mm).

Average rainfall days in September
Saint-May, France

  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (3.2 days).

Average snowfall in September
Saint-May, France

  • Average snowfall in September: 13mm

The month with the highest snowfall is December (482mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September
Saint-May, France

  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Saint-May, France

  • Average daylight in September: 12h and 30min

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

  • Average sunshine in September: 9h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Saint-May, France

  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in September
Saint-May, France

  • Average UV index in September: 4

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
Saint-May, France

  • Average cloud cover in September: 27

The months with the most cloud cover are February and November (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Saint-May, France

  • Average visibility in September: 9km

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