September weather forecastMercey-sur-Saône, France

September

Weather in September

September, the first month of the autumn in Mercey-sur-Saône, is also an agreeable month, with an average temperature varying between 9.5°C (49.1°F) and 20°C (68°F).

Temperature

With the commencement of September, Mercey-sur-Saône records a moderate temperature decline, with the average high easing from August's warm 24.2°C (75.6°F) to an agreeable 20°C (68°F). In Mercey-sur-Saône, the average temperature during the nights of September drops to a frosty 9.5°C (49.1°F).

Humidity

In Mercey-sur-Saône, the average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 30mm (1.18") of precipitation.

Snowfall

In Mercey-sur-Saône, snow does not fall in April through September.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 06:56 and sunset at 20:17. On the last day of the month, sunrise is at 07:35 and sunset at 19:18 CEST.

Sunshine

In Mercey-sur-Saône, the average sunshine in September is 8.6h.

UV index

In Mercey-sur-Saône, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The average high-temperature, in September, in Mercey-sur-Saône, is 20°C (68°F), while the average low-temperature is 9.5°C (49.1°F).

In Mercey-sur-Saône, France, the average relative humidity in September is 81%.

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 30mm (1.18") of precipitation.

In Mercey-sur-Saône, in September, it is raining for 11.5 days, with typically 30mm (1.18") of accumulated precipitation.

April through September are months without snowfall.

In Mercey-sur-Saône, in September, it doesn't snow. In October, it regularly snows.

In Mercey-sur-Saône, the average day length in September is 12h and 34min.

On the first day of September, sunrise is at 06:56 and sunset at 20:17. On the last day of the month, sunrise is at 07:35 and sunset at 19:18 CEST.

The average sunshine duration in September is 8.6h.

In September, the average daily maximum UV index is 4. A UV Index reading 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mercey-sur-Saône, France

  • Average high temperature in September: 20°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (4.2°C).

  • Average low temperature in September: 9.5°C

The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in September
Mercey-sur-Saône, France

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).

Average wind speed in September
Mercey-sur-Saône, France

  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

Average humidity in September
Mercey-sur-Saône, France

  • Average humidity in September: 81%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September
Mercey-sur-Saône, France

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is September (30mm).

Average rainfall days in September
Mercey-sur-Saône, France

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in September
Mercey-sur-Saône, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (81mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Mercey-sur-Saône, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Mercey-sur-Saône, 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 36min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in September
Mercey-sur-Saône, France

  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (7.9 days).

Average UV index in September
Mercey-sur-Saône, 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
Mercey-sur-Saône, France

  • Average cloud cover in September: 34

The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Mercey-sur-Saône, France

  • Average visibility in September: 8km

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