Alnwick Weather in September

September in Alnwick typically sees daytime highs of 17°C (63°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Alnwick in September

Looking at the last 30 years, the data shows about 16 days with rain, averaging 66 mm (2.6 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Alnwick in September

If you're visiting Alnwick in September, expect highs of 17°C (63°F) and overnight lows around 11°C (52°F). The summer season takes place during September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Alnwick in September

The area enjoys a moderate level of sunlight, with around 136 hours. It's a good balance between sunny and cloudy days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Alnwick.