Saint-Brieuc
France
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Saint-Brieuc, France

The first month of the autumn, September, is still a comfortable month in Saint-Brieuc, France, with average temperature varying between 11.1°C (52°F) and 19.1°C (66.4°F).

Temperature

In Saint-Brieuc, France, the average high-temperature in September is essentially the same as in August - an enjoyable 19.1°C (66.4°F). In September, the average low-temperature is 11.1°C (52°F).

Rainfall

In Saint-Brieuc, during September, the rain falls for 8.7 days and regularly aggregates up to 58.1mm (2.3") of precipitation. Throughout the year, in Saint-Brieuc, there are 130.3 rainfall days, and 776.2mm (30.6") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12.6h.

Sunshine

The average sunshine in September in Saint-Brieuc is 5.4h.

What is the temperature in September in Saint-Brieuc?

In Saint-Brieuc, France, in September, the average high-temperature is 19.1°C (66.4°F), and the average low-temperature is 11.1°C (52°F).

How much does it rain in Saint-Brieuc in September?

In September, in Saint-Brieuc, the rain falls for 8.7 days. Throughout September, 58.1mm (2.3") of precipitation is accumulated.

What is the average length of the day in September in Saint-Brieuc?

The average length of the day in September in Saint-Brieuc is 12.6h.

How many hours of sunshine does Saint-Brieuc have in September?

The average sunshine in September is 5.4h.
Average temperature in September - Saint-Brieuc, France
  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in September: 11.1°C

Months with the highest average low temperature are July and August (12.7°C).
The coldest month (with the lowest average low temperature) is February (3°C).

Average rainfall in September - Saint-Brieuc, France
  • Average rainfall in September: 58.1mm

The wettest month (with the highest rainfall) is December (89.2mm).
The driest month (with the lowest rainfall) is August (40.8mm).

Average rainfall days in September - Saint-Brieuc, France
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is December (14.2 days).
The month with the lowest number of rainy days is June (7.5 days).

Average daylight in September / Average sunshine in September - Saint-Brieuc, France
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).

  • Average sunshine in September: 5.4h

The month with most sunshine is June (Average sunshine: 6.6h).
Months with least sunshine are January and December (Average sunshine: 2.1).