Weather in Northampton in September
Northampton, United Kingdom averages a high of 18.1°C (64.6°F) and low of 10.7°C (51.3°F) in September, with 9 rain days and 7.8 hours of daily sunshine. Travel score: 69/100 (Good). The best time to visit Northampton is July.
High
18°C65°F
Low
11°C51°F
🌧️
9
rain days
☀️
7.8
hrs/day sunshine
💧
78%
humidity
69— Good
September in Northampton is mild and occasionally wet — good for most activities.
What are the average temperatures in Northampton?
How much does it rain in Northampton in September?
Northampton receives an average of 52.6mm of rainfall across 9 rainy days in September. The annual total is 657.3mm.
What should I pack for Northampton in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United Kingdom in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31