September weather forecastLumio, France

September

Weather in September

September, the first month of the autumn in Lumio, is also an agreeable month, with temperature in the range of an average low of 17.1°C (62.8°F) and an average high of 22.3°C (72.1°F).

Temperature

With the onset of September, Lumio experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 25.9°C (78.6°F) in August to an agreeable 22.3°C (72.1°F). Lumio's temperature tends to fall to an average low of 17.1°C (62.8°F) during the nights of September.

Humidity

The average relative humidity in September in Lumio is 72%.

Rainfall

In Lumio, France, in September, during 11.4 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Lumio, during the entire year, the rain falls for 141.2 days and collects up to 578mm (22.76") of precipitation.

Snowfall

April through November are months without snowfall in Lumio.

Sea temperature

In Lumio, the average seawater temperature in September is 22°C (71.6°F).
Note: Your comfort in 22°C (71.6°F) waters hinges on your relationship with the cold, today's sunny disposition, wind patterns, and the air's temperature. For context, Olympic swimmers are no strangers to waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

The average length of the day in September in Lumio is 12h and 29min.
On the first day of September in Lumio, sunrise is at 06:50 and sunset at 19:58. On the last day of the month, sunrise is at 07:21 and sunset at 19:07 CEST.

Sunshine

The average sunshine in September in Lumio is 10.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Warning! Sand and water reflections boost the intensity of UV exposure.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Lumio experiences an average high-temperature of 22.3°C (72.1°F) and a low-temperature of 17.1°C (62.8°F).

In September, the average relative humidity is 72%.

In Lumio, France, in September, during 11.4 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

In Lumio, France, snow does not fall in April through November.

In Lumio, the average seawater temperature in September is 22°C (71.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22°C (71.6°F).

The average day length in September in Lumio is 12h and 29min.

On the first day of September in Lumio, sunrise is at 06:50 and sunset at 19:58. On the last day of the month, sunrise is at 07:21 and sunset at 19:07 CEST.

In Lumio, the average sunshine duration in September is 10.2h.

The average daily maximum UV index in September in Lumio, France, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.9°C

22.3°C

19.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.4km/h

12.5km/h

13.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

21.5

15.2

15.6

Average UV index

Average cloud cover

15%

23%

Average visibility

10km

Average temperature in September
Lumio, France

Average high temperature in September: 22.3°C

The warmest month (with the highest average high temperature) is August (25.9°C).
The months with the lowest average high temperature are January and February (10.2°C).

Average low temperature in September: 17.1°C

The month with the highest average low temperature is August (19.5°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).

Average pressure in September
Lumio, France

Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).

Average wind speed in September
Lumio, France

Average wind speed in September: 11.9km/h

The windiest months (with the highest average wind speed) are February and March (16km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).

Average humidity in September
Lumio, France

Average humidity in September: 72%

The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are July and August (68%).

Average rainfall in September
Lumio, France

Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is November (85mm).
The driest months (with the least rainfall) are June and July (32mm).

Average rainfall days in September
Lumio, France

Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is August (7.7 days).

Average snowfall in September
Lumio, France

Average snowfall in September: 0mm

The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Lumio, 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 April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September
Lumio, France

Average sea temperature in September: 22°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest month (with the lowest average sea temperature) is February (13°C).

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

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in September: 10h and 12min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in September
Lumio, France

Average sunshine days in September: 15.2 days

The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is November (12.5 days).

Average UV index in September
Lumio, France

Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Lumio, France

Average cloud cover in September: 15

The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Lumio, France

Average visibility in September: 10km

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