Straffan Weather in September

Straffan in September averages 18°C (64°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Straffan in September

You can expect rain on roughly 16 days based on historical data, averaging 71 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 Straffan in September

September in Straffan sees highs of 18°C (64°F) and lows of 10°C (50°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Straffan in September

The month experiences a moderate amount of sunlight, with 128 hours of sunshine. This provides a nice balance between sunshine and clouds.

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.