Plymouth Weather in September

September is one of the excellent months to visit Plymouth, with daytime temperatures of 23°C (73°F) and lows of 12°C (54°F) at night. Do note that quite a bit of rainfall is typical, averaging around 73 mm (2.9 in).

Rainfall in Plymouth in September

Typically, about 10 days will experience rainfall, with an average of 73 mm (2.9 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Plymouth in September

Weather in Plymouth is at its excellent in September. Highs reach 23°C (73°F), while nights settle around 12°C (54°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 12°C (54°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 Plymouth in September

The month enjoys around 232 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Plymouth in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Plymouth.