Saint Merryn Weather in September

September in Saint Merryn brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 72 mm (2.8 in), so pack an umbrella.

Rainfall in Saint Merryn in September

Rain is expected on roughly 15 days, totalling around 72 mm (2.8 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Saint Merryn in September

In September, Saint Merryn sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 12°C (54°F). The month of September belongs to the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Saint Merryn in September

You can expect a moderate amount of sunlight, with approximately 165 hours. This means a pleasant mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, July and August 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.