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September weather forecast in Sequim

Average data for 10 years

  • 30 August, Sunday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 83%; Wind speed 6.1 Meters per second, westerly; Daytime water temperature +13°

  • 31 August, Monday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 82%; Wind speed 6 Meters per second, westerly; Daytime water temperature +13°

  • 1 September, Tuesday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 81%; Wind speed 5.9 Meters per second, south-westerly; Daytime water temperature +14°

  • 2 September, Wednesday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 80%; Wind speed 5.4 Meters per second, south-westerly; Daytime water temperature +13°

  • 3 September, Thursday. morning, 15°; night, 13°; ; Feels like +12°; Pressure 762 millimeters of mercury; Humidity 78%; Wind speed 5.9 Meters per second, south-westerly; Daytime water temperature +13°

  • 4 September, Friday. morning, 15°; night, 13°; ; Feels like +12°; Pressure 762 millimeters of mercury; Humidity 77%; Wind speed 5.3 Meters per second, south-westerly; Daytime water temperature +13°

  • 5 September, Saturday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 77%; Wind speed 5.8 Meters per second, south-westerly; Daytime water temperature +13°

  • 6 September, Sunday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 763 millimeters of mercury; Humidity 78%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +13°

  • 7 September, Monday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 763 millimeters of mercury; Humidity 79%; Wind speed 5.4 Meters per second, south-westerly; Daytime water temperature +13°

  • 8 September, Tuesday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 77%; Wind speed 5.6 Meters per second, south-westerly; Daytime water temperature +14°

  • 9 September, Wednesday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 5.4 Meters per second, south-westerly; Daytime water temperature +13°

  • 10 September, Thursday. morning, 15°; night, 13°; ; Feels like +12°; Pressure 762 millimeters of mercury; Humidity 78%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +14°

  • 11 September, Friday. morning, 15°; night, 13°; ; Feels like +12°; Pressure 763 millimeters of mercury; Humidity 76%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +14°

  • 12 September, Saturday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 78%; Wind speed 5.1 Meters per second, south-westerly; Daytime water temperature +14°

  • 13 September, Sunday. morning, 14°; night, 13°; ; Feels like +11°; Pressure 762 millimeters of mercury; Humidity 79%; Wind speed 5.1 Meters per second, south-westerly; Daytime water temperature +14°

  • 14 September, Monday. morning, 15°; night, 13°; ; Feels like +11°; Pressure 760 millimeters of mercury; Humidity 78%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +14°

  • 15 September, Tuesday. morning, 14°; night, 12°; rain; Feels like +11°; Pressure 760 millimeters of mercury; Humidity 80%; Wind speed 5.3 Meters per second, south-westerly; Daytime water temperature +13°

  • 16 September, Wednesday. morning, 14°; night, 12°; rain; Feels like +11°; Pressure 761 millimeters of mercury; Humidity 81%; Wind speed 5.1 Meters per second, south-westerly; Daytime water temperature +13°

  • 17 September, Thursday. morning, 14°; night, 12°; rain; Feels like +10°; Pressure 761 millimeters of mercury; Humidity 83%; Wind speed 5.8 Meters per second, south-westerly; Daytime water temperature +13°

  • 18 September, Friday. morning, 13°; night, 12°; rain; Feels like +10°; Pressure 761 millimeters of mercury; Humidity 83%; Wind speed 5.1 Meters per second, south-westerly; Daytime water temperature +13°

  • 19 September, Saturday. morning, 13°; night, 12°; rain; Feels like +10°; Pressure 762 millimeters of mercury; Humidity 82%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +13°

  • 20 September, Sunday. morning, 13°; night, 12°; ; Feels like +10°; Pressure 763 millimeters of mercury; Humidity 80%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +13°

  • 21 September, Monday. morning, 13°; night, 12°; ; Feels like +10°; Pressure 763 millimeters of mercury; Humidity 79%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +14°

  • 22 September, Tuesday. morning, 14°; night, 12°; ; Feels like +10°; Pressure 762 millimeters of mercury; Humidity 78%; Wind speed 5.4 Meters per second, south-westerly; Daytime water temperature +13°

  • 23 September, Wednesday. morning, 14°; night, 12°; ; Feels like +10°; Pressure 763 millimeters of mercury; Humidity 79%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +13°

  • 24 September, Thursday. morning, 14°; night, 12°; ; Feels like +10°; Pressure 763 millimeters of mercury; Humidity 80%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +13°

  • 25 September, Friday. morning, 14°; night, 12°; rain; Feels like +10°; Pressure 762 millimeters of mercury; Humidity 79%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +13°

  • 26 September, Saturday. morning, 14°; night, 12°; rain; Feels like +10°; Pressure 763 millimeters of mercury; Humidity 79%; Wind speed 5.6 Meters per second, south-westerly; Daytime water temperature +13°

  • 27 September, Sunday. morning, 14°; night, 12°; ; Feels like +10°; Pressure 763 millimeters of mercury; Humidity 79%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +13°

  • 28 September, Monday. morning, 14°; night, 12°; ; Feels like +10°; Pressure 762 millimeters of mercury; Humidity 78%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +13°

  • 29 September, Tuesday. morning, 13°; night, 11°; rain; Feels like +10°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 5.3 Meters per second, south-westerly; Daytime water temperature +13°

  • 30 September, Wednesday. morning, 13°; night, 11°; ; Feels like +9°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 6 Meters per second, south-westerly; Daytime water temperature +13°

  • 1 October, Thursday. morning, 13°; night, 11°; ; Feels like +9°; Pressure 762 millimeters of mercury; Humidity 79%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +13°

  • 2 October, Friday. morning, 13°; night, 11°; ; Feels like +9°; Pressure 762 millimeters of mercury; Humidity 79%; Wind speed 5.6 Meters per second, south-westerly; Daytime water temperature +12°

  • 3 October, Saturday. morning, 12°; night, 11°; ; Feels like +9°; Pressure 763 millimeters of mercury; Humidity 82%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +12°

In September, the weather in Sequim is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Sequim has 15 sunny, 8 rainy, and 4 cloudy days in September.