Chelsea Weather in September

With daytime temperatures of 17°C (63°F) and nighttime lows of 9°C (48°F), September in Chelsea brings moderate temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Chelsea in September

This month sees the most rain, so carrying an umbrella will ensure you stay dry. On average, there are about 10 days with rain during this month, averaging 80 mm (3.1 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Chelsea in September

Daytime temperatures in Chelsea reach 17°C (63°F) in September, dropping to 9°C (48°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Chelsea in September

You can expect a moderate amount of sunlight, with approximately 185 hours. This means a pleasant mix of sun and overcast.

September in Chelsea has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.