September weather forecastMartigues, France

September

Weather in September

September, the first month of the autumn in Martigues, is still a warm month, with an average temperature fluctuating between 18.4°C (65.1°F) and 24.4°C (75.9°F).

Temperature

Martigues's transition into September involves a gentle shift in temperature, receding from 27.5°C (81.5°F) in August to a still warm 24.4°C (75.9°F). Throughout the month of September, Martigues reports a steady low-temperature average of 18.4°C (65.1°F).

Humidity

In September, the average relative humidity is 65%.

Rainfall

In Martigues, France, in September, it is raining for 5.8 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Martigues, France, there are 99.1 rainfall days, and 369mm (14.53") of precipitation is accumulated.

Snowfall

In Martigues, snow does not fall in April through December.

Sea temperature

August and September, with an average sea temperature of 21.9°C (71.4°F), are months with the warmest seawater.
Note: Swimming in 21.9°C (71.4°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in September in Martigues is 12h and 30min.
On the first day of September in Martigues, France, sunrise is at 07:04 and sunset at 20:14. On the last day of the month, sunrise is at 07:36 and sunset at 19:22 CEST.

Sunshine

In September, the average sunshine is 9.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 5 in September leads to these guidelines:
Make use of precautions - It is urged to ward off sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.

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

Frequently asked questions

In Martigues, in September, the average high-temperature is 24.4°C (75.9°F), and the average low-temperature is 18.4°C (65.1°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 29°C (84.2°F).

The average relative humidity in September in Martigues is 65%.

In Martigues, in September, during 5.8 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

April through December are months without snowfall.

The months with the warmest seawater in Martigues, France, are August and September, with an average sea temperature of 21.9°C (71.4°F).

In September, the average sea temperature is 21.9°C (71.4°F). For swimming, a surface water temperature of 21.9°C (71.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The average day length in September in Martigues is 12h and 30min.

In September, on the first day of the month, sunrise is at 07:04 and sunset at 20:14. On the last day of the month, sunrise is at 07:36 and sunset at 19:22 CEST.

The average sunshine duration in September in Martigues, France, is 9.6h.

In Martigues, France, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

27.5°C

24.4°C

20.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.9km/h

18.3km/h

23.2km/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

25.1

19.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Martigues, France

Average high temperature in September: 24.4°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (10.8°C).

Average low temperature in September: 18.4°C

The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).

Average pressure in September
Martigues, France

Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).

Average wind speed in September
Martigues, France

Average wind speed in September: 17.4km/h

The windiest month (with the highest average wind speed) is February (24.8km/h).
The calmest month (with the lowest average wind speed) is August (16.4km/h).

Average humidity in September
Martigues, France

Average humidity in September: 65%

The months with the highest relative humidity are January, November and December (73%).
The months with the lowest relative humidity are July and August (63%).

Average rainfall in September
Martigues, France

Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in September
Martigues, France

Average rainfall days in September: 5.8 days

The month with the highest number of rainy days is November (12.7 days).
The month with the least rainy days is July (4.3 days).

Average snowfall in September
Martigues, France

Average snowfall in September: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Martigues, France

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.5 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
Martigues, France

Average sea temperature in September: 21.9°C

The best months for swimming (with the highest average sea temperature) are August and September (21.9°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).

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

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Average sunshine in September: 9h and 36min

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

Average sunshine days in September
Martigues, France

Average sunshine days in September: 23 days

The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is November (15.6 days).

Average UV index in September
Martigues, 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
Martigues, France

Average cloud cover in September: 16

The months with the most cloud cover are January and November (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in September
Martigues, 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).