Thornbury Weather in September

Thornbury in September sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 11°C (52°F). Rainfall is fairly high at around 62 mm (2.4 in) on average, so pack waterproofs just in case.

Rainfall in Thornbury in September

Looking at the last 30 years, the data shows about 13 days with rain, averaging 62 mm (2.4 in) 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 Thornbury in September

Daytime temperatures in Thornbury reach 19°C (66°F) in September, dropping to 11°C (52°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 11°C (52°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 Thornbury in September

The area experiences a moderate amount of sunshine, with approximately 151 hours of sunlight expected. This means a decent mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Thornbury.