Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September begins in Marseille, there is a minor decrease in the average high-temperature, softly falling from 27.3°C (81.1°F) in August to a still warm 23.7°C (74.7°F). An average low-temperature of 17.6°C (63.7°F) is observed during September nights in Marseille.Humidity
In September, the average relative humidity in Marseille is 67%.Rainfall
In Marseille, France, in September, during 7.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 106.6 rainfall days, and 428mm (16.85") of precipitation is accumulated.Snowfall
In Marseille, France, snow does not fall in January, 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 becomes less enjoyable for most at a surface water temperature of 21.9°C (71.4°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 07:03 and sunset at 20:13. On the last day of September, sunrise is at 07:35 and sunset at 19:21 CEST.
Sunshine
In Marseille, the average sunshine in September is 9.5h.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 unprotected exposure to Sun's UV rays for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Act with care - The need to guard against sun damage is communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Marseille in September?
What is the average humidity in September in Marseille?
How many days does it rain in September in Marseille?
When it does not snow in Marseille?
What are the months with the warmest sea water in Marseille?
How cold is the water in September in Marseille?
What is the average length of the day in September in Marseille?
When is the sunrise / sunset in September in Marseille?
How long on average sun shines in September in Marseille?
What is the UV index intensity in September in Marseille?
Average temperature in September
Marseille, France
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (10.4°C).
- Average low temperature in September: 17.6°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in September
Marseille, France
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Marseille, France
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest month (with the lowest average wind speed) is August (14.6km/h).
Average humidity in September
Marseille, France
- Average humidity in September: 67%
The month with the highest relative humidity is November (75%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Marseille, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in September
Marseille, France
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in September
Marseille, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Marseille, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Marseille, 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
Marseille, France
- Average daylight in September: 12h and 3min
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 0min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and November (Average sunshine: 6h and 6min).
Average sunshine days in September
Marseille, France
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is April (16.3 days).
Average UV index in September
Marseille, 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
Marseille, France
- Average cloud cover in September: 16
The month with the most cloud cover is November (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Marseille, 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).
Marseille, France
Weather forecast for your location
2. Allow the app to use your location
