Blarney Weather in September

September in Blarney typically sees daytime highs of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Blarney in September

This month experiences about 17 days of rain according to historical data, averaging 75 mm (3 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Blarney in September

Daytime highs in Blarney in September reach 18°C (64°F), with nights around 11°C (52°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Blarney in September

The area experiences a moderate amount of sunshine, with approximately 128 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Blarney in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

The water is 15°C (59°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Blarney.