September weather forecast and climate
Hyères, France

What is the temperature in September in Hyères?

In September, the average high-temperature is 25°C (77°F), and the average low-temperature is 15.2°C (59.4°F).

How much does it rain in Hyères in September?

In Hyères, during September, the rain falls for 4.5 days and regularly aggregates up to 55.4mm (2.2") of precipitation.

How cold is the water in September in Hyères?

The average seawater temperature, in September, in Hyères, France, is 21°C (69.8°F). For swimming, a surface water temperature of 21°C (69.8°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).
Average temperature in September - Hyères, France
  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (13.1°C).

  • Average low temperature in September: 15.2°C

Months with the highest average low temperature are July and August (17.8°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).

Average rainfall in September - Hyères, France
  • Average rainfall in September: 55.4mm

The wettest month (with the highest rainfall) is October (105.4mm).
The driest month (with the lowest rainfall) is July (7.5mm).

Average rainfall days in September - Hyères, France
  • Average rainfall days in September: 4.5 days

Months with the highest number of rainy days are October and November (6.9 days).
The month with the lowest number of rainy days is July (1.1 days).

Average sea temperature in September - Hyères, France
  • Average sea temperature in September: 21°C

The best month for swimming (with the highest average sea temperature) is August (23°C).
Coldest months (with the lowest average sea temperature) are January, February and March (13°C).

Average daylight in September / Average sunshine in September - Hyères, France
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 9h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in September - Hyères, France
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).