Swindon Weather in September

September in Swindon brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 63 mm (2.5 in), so keep a rain jacket handy.

Rainfall in Swindon in September

Historically, approximately 16 days this month are expected to have rain, averaging 63 mm (2.5 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Swindon in September

Temperatures in Swindon in September top out at 19°C (66°F) and drop to 10°C (50°F) overnight. Conditions are often most pleasant around the middle of the day. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Swindon in September

The area enjoys a moderate level of sunlight, with around 151 hours. It's a good balance between sunny and cloudy days.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer 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.