Suffolk Weather in September

During September, Suffolk experiences high daytime temperatures of 28°C (82°F) and cooler nights around 17°C (63°F). As the wettest month of the year, expect frequent rainfall.

Rainfall in Suffolk in September

This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. Historically, September sees about 11 days of rain, with a monthly average of 162 mm (6.4 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Suffolk in September

Daytime highs in Suffolk in September reach 28°C (82°F), with nights around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 17°C (63°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 Suffolk in September

The days are predominantly sunny, with an estimated total of around 230 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, April typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.