September weather forecast
Rolleville, France

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Weather in September

September, the first month of the autumn in Rolleville, is still a refreshing month, with an average temperature varying between 17.9°C (64.2°F) and 14.6°C (58.3°F).

Temperature

Transitioning into September, Rolleville experiences an average high-temperature of a still refreshing 17.9°C (64.2°F), marking a minor shift from the preceding month. The nights of September anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 14.6°C (58.3°F).

Humidity

With an average relative humidity of 78%, September is the least humid month in Rolleville.

Rainfall

In September, the rain falls for 14 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 185.9 rainfall days, and 521mm (20.51") of precipitation is accumulated.

Snowfall

May through November are months without snowfall in Rolleville, France.

Daylight

In Rolleville, the average length of the day in September is 12h and 36min.
On the first day of the month, sunrise is at 07:15 and sunset at 20:42. On the last day of September, in Rolleville, sunrise is at 07:58 and sunset at 19:39 CEST.

Sunshine

In Rolleville, the average sunshine in September is 7.3h.

UV index

In September, the average daily maximum UV index in Rolleville is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What are September temperatures in Rolleville?

In September, in Rolleville, the average high-temperature is 17.9°C (64.2°F), and the average low-temperature is 14.6°C (58.3°F).

What is the least humid month in Rolleville?

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

What is the average humidity in September in Rolleville?

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

How many days does it rain in September in Rolleville?

In September, the rain falls for 14 days. Throughout September, 37mm (1.46") of precipitation is accumulated.

When it does not snow in Rolleville?

May through November are months without snowfall.

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

In Rolleville, France, the average day length in September is 12h and 36min.

When is the sunrise / sunset in September in Rolleville?

In September, on the first day of the month, sunrise is at 07:15 and sunset at 20:42. On the last day of the month, in Rolleville, sunrise is at 07:58 and sunset at 19:39 CEST.

How long on average sun shines in September in Rolleville?

In Rolleville, France, the average sunshine duration in September is 7.3h.

What is the UV index intensity in September in Rolleville?

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 humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Rolleville, France

Average temperature in September - Rolleville, France
  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (8.1°C).

  • Average low temperature in September: 14.6°C

The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).

Average pressure in September
Rolleville, France

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

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in September
Rolleville, France

Average wind speed in September - Rolleville, France
  • Average wind speed in September: 20.2km/h

The windiest month (with the highest average wind speed) is December (29.2km/h).
The calmest months (with the lowest average wind speed) are July and August (18km/h).

Average humidity in September
Rolleville, France

Average humidity in September - Rolleville, France
  • Average humidity in September: 78%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Rolleville, France

Average rainfall in September - Rolleville, France
  • Average rainfall in September: 37mm

The wettest months (with the highest rainfall) are November and December (58mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Rolleville, France

Average rainfall days in September - Rolleville, France
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is April (12.6 days).

Average snowfall in September
Rolleville, France

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

The month with the highest snowfall is January (6mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Rolleville, France

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

The month with the highest number of snowfall days is January (1.7 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
Rolleville, France

Average daylight in September / Average sunshine in September - Rolleville, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 2min

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

Average sunshine days in September
Rolleville, France

Average sunshine days in September - Rolleville, France
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (8.9 days).

Average UV index in September
Rolleville, France

Average UV index in September - Rolleville, 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, February and November (UV index 2).

Average cloud cover in September
Rolleville, France

Average cloud cover in September - Rolleville, France
  • Average cloud cover in September: 42

The months with the most cloud cover are November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in September
Rolleville, France

Average visibility in September - Rolleville, 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).

Rolleville, France

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