Isle of Colonsay Weather in September

September in Isle of Colonsay sees daytime temperatures around 16°C (61°F) and lows of 12°C (54°F) at night. With around 136 mm (5.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Isle of Colonsay in September

You can expect rain on roughly 22 days based on historical data, averaging 136 mm (5.4 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Isle of Colonsay in September

Daytime temperatures in Isle of Colonsay reach 16°C (61°F) in September, dropping to 12°C (54°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 12°C (54°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 Isle of Colonsay in September

The area sees fewer sunny days, with a projection of about 87 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Should you favor a climate that's both dry and comfortably warm, June typically offers 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.