The climate in Cork during September can be summarized as mild and a little damp.
September is in the fall / autumn in Cork and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 10°C (50°F) is normal.
|Daytime temperature||16.6°C 61.8°F|
|Nightly temperature||9.9°C 49.7°F|
|Average temperature||13.2°C 55.8°F|
|Daily sunshine||4.5 hrs|
|Avg rainfall||96 mm 3.8 ins|
|Rainy days||17 days|
|Sea temperature||15.8°C 60.5°F|
|Windspeed||18.4kph 11 mph|
On average September is the 5th wettest month of the year in Cork with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cork in September 2023.
|Hottest month:||July||18.7°C 65.7°F|
|Driest month:||June||61mm 2.4ins|
|Coldest month:||February||8.1°C 46.6°F|
|Wettest month:||December||120mm 4.7ins|