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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Portmagee's climate page.
Portmagee Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
17°C (63°F)
Water Temperature
15°C (59°F) *
Chance of Rain
67%
Precipitation
121 mm (4.8 in)
Rainy days
20 days
Humidity
77% *
Windspeed
5 m/s (10 knots) *
Sunshine
118 hours *
Percentage Sunshine
30% *
Best Places in Ireland in September
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Portmagee in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Portmagee in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Portmagee's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Portmagee climate overview or explore weather in Ireland.
