Kells Weather in September

September in Kells 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. It falls within the summer season.

Rainfall in Kells in September

Historically, September sees about 20 days of rain, with a monthly average of 110 mm (4.3 in). 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 Kells in September

In September, expect moderate temperatures in Kells, with highs of 18°C (64°F) and lows of 11°C (52°F) at night. September is known for being in the summer season. The difference between afternoon and evening temperatures is usually noticeable. 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 Kells in September

The month brings about 118 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Kells 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

At 15°C (59°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Kells.