Northampton Weather in September

September in Northampton averages 24°C (75°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 106 mm (4.2 in) on average. An umbrella is a good idea.

Rainfall in Northampton in September

Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 106 mm (4.2 in) on average. 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 Northampton in September

In September, Northampton gets high temperatures, with highs of 24°C (75°F). Nights cool to around 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Northampton in September

The days are predominantly sunny, with an estimated total of around 223 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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