Portmagee Weather in September

Portmagee in September sees moderate temperatures, with highs around 17°C (63°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 121 mm (4.8 in) on average, so pack waterproofs just in case.

Rainfall in Portmagee in September

You can expect rain on roughly 20 days based on historical data, averaging 121 mm (4.8 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 Portmagee in September

In September, expect moderate temperatures in Portmagee, with highs of 17°C (63°F) and lows of 13°C (55°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Portmagee in September

The area experiences a moderate amount of sunshine, with approximately 118 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Portmagee 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 temperature is 15°C (59°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

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