September weather forecastLarnas, France

September

Weather in September

September, the first month of the autumn in Larnas, is still a warm month, with an average temperature ranging between max 23.3°C (73.9°F) and min 12.2°C (54°F).

Temperature

September indicates a shift in the average high-temperature, from August's warm 28.5°C (83.3°F) to a still moderately hot 23.3°C (73.9°F). In the month of September, an average of 12.2°C (54°F) marks the low-temperature.

Humidity

The average relative humidity in September in Larnas is 69%.

Rainfall

In Larnas, in September, it is raining for 7 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, there are 111.4 rainfall days, and 380mm (14.96") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 07:04 and sunset at 20:17. On the last day of September, in Larnas, sunrise is at 07:38 and sunset at 19:24 CEST.

Sunshine

In Larnas, the average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September in Larnas is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

An average high-temperature, in September, in Larnas, is 23.3°C (73.9°F) and the average low-temperature is 12.2°C (54°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 30°C (86°F).

In September, the average relative humidity is 69%.

In Larnas, during September, the rain falls for 7 days and regularly aggregates up to 19mm (0.75") of precipitation.

April through November are months without snowfall.

In Larnas, the average day length in September is 12h and 31min.

In September, on the first day of the month, sunrise is at 07:04 and sunset at 20:17. On the last day of the month, in Larnas, France, sunrise is at 07:38 and sunset at 19:24 CEST.

The average sunshine duration in September in Larnas, France, is 9.4h.

In September, the average daily maximum UV index in Larnas is 5. A UV Index reading of 3 to 5 represents a medium health risk from 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
Larnas, France

  • Average high temperature in September: 23.3°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in September: 12.2°C

The months with the highest average low temperature are July and August (15.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).

Average pressure in September
Larnas, France

  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in September
Larnas, France

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is May (11.9km/h).
The calmest month (with the lowest average wind speed) is November (9.5km/h).

Average humidity in September
Larnas, France

  • Average humidity in September: 69%

The month with the highest relative humidity is November (83%).
The months with the lowest relative humidity are July and August (62%).

Average rainfall in September
Larnas, France

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is July (16mm).

Average rainfall days in September
Larnas, France

  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is November (12.5 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in September
Larnas, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Larnas, France

  • Average snowfall days in September: 0 days

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

Average daylight in September /
Average sunshine in September
Larnas, 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 24min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).

Average sunshine days in September
Larnas, France

  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is November (15.6 days).

Average UV index in September
Larnas, France

  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Larnas, France

  • Average cloud cover in September: 21

The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in September
Larnas, France

  • Average visibility in September: 9km

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