Northampton Weather in September

September in Northampton sees daytime temperatures around 20°C (68°F) and lows of 10°C (50°F) at night. With around 60 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Northampton in September

Looking at the last 30 years, the data shows about 12 days with rain, averaging 60 mm (2.4 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Northampton in September

Northampton has excellent weather in September, with days reaching 20°C (68°F) and nights cooling to 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 10°C (50°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 Northampton in September

The area enjoys a moderate level of sunlight, with around 138 hours. It's a good balance between sunny and cloudy days.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Northampton.