Olympia Weather in September

September in Olympia brings high temperatures, with highs of 22°C (72°F) and nights dropping to 8°C (46°F). Rainfall is on the higher side this month, averaging around 68 mm (2.7 in), so keep a rain jacket handy.

Rainfall in Olympia in September

Past climate data indicates that roughly 10 days will see rain, totalling around 68 mm (2.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Olympia in September

September is a excellent month in Olympia, with 22°C (72°F) during the day and 8°C (46°F) at night. September is part of the summer season. This kind of day-to-night contrast is typical for this time of year. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Olympia in September

The days are predominantly sunny, with an estimated total of around 209 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

So this is a great month to visit if you prefer dry days with pleasant temperatures.