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September weather forecast in Lannion

Average data for 10 years

  • 30 August, Sunday. morning, 17°; night, 15°; ; Feels like +13°; Pressure 758 millimeters of mercury; Humidity 82%; Wind speed 6.5 Meters per second, northerly; Daytime water temperature +18°

  • 31 August, Monday. morning, 18°; night, 15°; ; Feels like +13°; Pressure 758 millimeters of mercury; Humidity 80%; Wind speed 6.6 Meters per second, north-westerly; Daytime water temperature +18°

  • 1 September, Tuesday. morning, 17°; night, 15°; ; Feels like +14°; Pressure 758 millimeters of mercury; Humidity 82%; Wind speed 6.4 Meters per second, north-westerly; Daytime water temperature +18°

  • 2 September, Wednesday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 758 millimeters of mercury; Humidity 84%; Wind speed 6.5 Meters per second, westerly; Daytime water temperature +18°

  • 3 September, Thursday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 757 millimeters of mercury; Humidity 85%; Wind speed 7 Meters per second, westerly; Daytime water temperature +18°

  • 4 September, Friday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 757 millimeters of mercury; Humidity 84%; Wind speed 6.5 Meters per second, north-westerly; Daytime water temperature +18°

  • 5 September, Saturday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 757 millimeters of mercury; Humidity 84%; Wind speed 6.5 Meters per second, westerly; Daytime water temperature +18°

  • 6 September, Sunday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 757 millimeters of mercury; Humidity 84%; Wind speed 7 Meters per second, westerly; Daytime water temperature +17°

  • 7 September, Monday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 757 millimeters of mercury; Humidity 83%; Wind speed 6.6 Meters per second, westerly; Daytime water temperature +18°

  • 8 September, Tuesday. morning, 18°; night, 15°; ; Feels like +14°; Pressure 756 millimeters of mercury; Humidity 84%; Wind speed 6.9 Meters per second, westerly; Daytime water temperature +18°

  • 9 September, Wednesday. morning, 18°; night, 15°; rain; Feels like +13°; Pressure 756 millimeters of mercury; Humidity 84%; Wind speed 7.1 Meters per second, westerly; Daytime water temperature +18°

  • 10 September, Thursday. morning, 18°; night, 14°; ; Feels like +13°; Pressure 756 millimeters of mercury; Humidity 83%; Wind speed 7.4 Meters per second, westerly; Daytime water temperature +18°

  • 11 September, Friday. morning, 17°; night, 14°; rain; Feels like +13°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 7.1 Meters per second, westerly; Daytime water temperature +17°

  • 12 September, Saturday. morning, 17°; night, 14°; ; Feels like +12°; Pressure 757 millimeters of mercury; Humidity 82%; Wind speed 7.5 Meters per second, westerly; Daytime water temperature +17°

  • 13 September, Sunday. morning, 17°; night, 14°; rain; Feels like +13°; Pressure 757 millimeters of mercury; Humidity 82%; Wind speed 7.3 Meters per second, north-westerly; Daytime water temperature +17°

  • 14 September, Monday. morning, 17°; night, 14°; rain; Feels like +12°; Pressure 757 millimeters of mercury; Humidity 81%; Wind speed 7.3 Meters per second, north-westerly; Daytime water temperature +17°

  • 15 September, Tuesday. morning, 17°; night, 14°; ; Feels like +12°; Pressure 757 millimeters of mercury; Humidity 81%; Wind speed 7 Meters per second, north-westerly; Daytime water temperature +17°

  • 16 September, Wednesday. morning, 17°; night, 14°; ; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 81%; Wind speed 7 Meters per second, north-westerly; Daytime water temperature +17°

  • 17 September, Thursday. morning, 17°; night, 14°; rain; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 81%; Wind speed 7.5 Meters per second, northerly; Daytime water temperature +17°

  • 18 September, Friday. morning, 17°; night, 14°; ; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 81%; Wind speed 7.8 Meters per second, north-westerly; Daytime water temperature +17°

  • 19 September, Saturday. morning, 17°; night, 14°; ; Feels like +13°; Pressure 757 millimeters of mercury; Humidity 82%; Wind speed 6.5 Meters per second, north-westerly; Daytime water temperature +18°

  • 20 September, Sunday. morning, 17°; night, 14°; ; Feels like +13°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 6.9 Meters per second, south-westerly; Daytime water temperature +17°

  • 21 September, Monday. morning, 17°; night, 14°; ; Feels like +13°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 6.9 Meters per second, south-easterly; Daytime water temperature +17°

  • 22 September, Tuesday. morning, 17°; night, 13°; rain; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 7 Meters per second, westerly; Daytime water temperature +18°

  • 23 September, Wednesday. morning, 17°; night, 14°; rain; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 81%; Wind speed 7.3 Meters per second, southerly; Daytime water temperature +17°

  • 24 September, Thursday. morning, 16°; night, 13°; rain; Feels like +11°; Pressure 755 millimeters of mercury; Humidity 81%; Wind speed 7.6 Meters per second, westerly; Daytime water temperature +17°

  • 25 September, Friday. morning, 16°; night, 13°; rain; Feels like +11°; Pressure 756 millimeters of mercury; Humidity 81%; Wind speed 7 Meters per second, westerly; Daytime water temperature +17°

  • 26 September, Saturday. morning, 16°; night, 14°; ; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 7.5 Meters per second, westerly; Daytime water temperature +18°

  • 27 September, Sunday. morning, 16°; night, 13°; rain; Feels like +11°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 8.1 Meters per second, westerly; Daytime water temperature +18°

  • 28 September, Monday. morning, 17°; night, 13°; ; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 7 Meters per second, south-westerly; Daytime water temperature +18°

  • 29 September, Tuesday. morning, 16°; night, 13°; rain; Feels like +12°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 7.5 Meters per second, south-westerly; Daytime water temperature +17°

  • 30 September, Wednesday. morning, 17°; night, 14°; rain; Feels like +11°; Pressure 755 millimeters of mercury; Humidity 83%; Wind speed 8.1 Meters per second, south-westerly; Daytime water temperature +17°

  • 1 October, Thursday. morning, 16°; night, 13°; rain; Feels like +11°; Pressure 754 millimeters of mercury; Humidity 84%; Wind speed 8.5 Meters per second, westerly; Daytime water temperature +17°

  • 2 October, Friday. morning, 16°; night, 13°; rain; Feels like +11°; Pressure 754 millimeters of mercury; Humidity 83%; Wind speed 8.6 Meters per second, westerly; Daytime water temperature +17°

  • 3 October, Saturday. morning, 16°; night, 12°; ; Feels like +11°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 7.9 Meters per second, westerly; Daytime water temperature +16°

In September, the weather in Lannion is typically warm. The average daily high in September is 16 degrees above zero. On average, Lannion has 12 rainy, 7 cloudy, and 6 sunny days in September.