Barmouth Weather in September

During September, Barmouth experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 113 mm (4.4 in) is typical.

Rainfall in Barmouth in September

Rain is expected on roughly 17 days, totalling around 113 mm (4.4 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Barmouth in September

If you're visiting Barmouth in September, expect highs of 17°C (63°F) and overnight lows around 11°C (52°F). Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Barmouth in September

The area enjoys a moderate level of sunlight, with around 111 hours. It's a good balance between sunny and cloudy days.

Should you favor a climate that's both dry and comfortably warm, June and July typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.