Port Townsend Weather in September

Port Townsend in September sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 10°C (50°F). Moderate rainfall is typical, with around 30 mm (1.2 in) for the month.

Rainfall in Port Townsend in September

Climate statistics over the past 30 years suggest around 10 days of rain, with 30 mm (1.2 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Port Townsend in September

The excellent temperature in Port Townsend in September makes it a solid month to visit, with 18°C (64°F) during the day and 10°C (50°F) at night. Summer occurs in September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Port Townsend in September

Expect a lot of sunshine this month, with about 202 hours of sun. These sunny conditions add to the overall experience.

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