September weather forecastCork, Ireland
September
Weather in September
September marks the onset of autumn in Cork, but summer's warmth lingers, making it a pleasant time to visit. The decrease in daylight hours from August to September by approximately 2 hours hints at the transition to shorter autumn days. Despite the change of season, the weather remains relatively warm, perfect for enjoying the autumn landscapes and colors. The sea temperature sees a slight drop but remains within a range comfortable for seafaring activities. Explore the glowing autumn foliage on the city streets and the surrounding countryside during this serene transition period.Temperature
September's advent in Cork presents an average high-temperature of a still comfortable 16°C (60.8°F), indicating a slight variation from the conditions of the previous month. During September, Cork records a consistent average nighttime temperature of 10°C (50°F).Rainfall
In Cork, in September, it is raining for 17 days, with typically 96mm (3.78") of accumulated precipitation. In Cork, Ireland, during the entire year, the rain falls for 210 days and collects up to 1063mm (41.85") of precipitation.Sea temperature
In September, the average sea temperature in Cork is 15.7°C (60.3°F).Note: Most people find swimming in 15.7°C (60.3°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
Daylight
In September, the average length of the day in Cork, Ireland, is 12h and 39min.On the first day of September, sunrise is at 6:46 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:13 pm IST.
Sunshine
In Cork, Ireland, the average sunshine in September is 4h.UV index
In September, the average daily maximum UV index in Cork is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cork, Ireland
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (19°C).
The months with the lowest average high temperature are January and February (8°C).
- Average low temperature in September: 10°C
The months with the highest average low temperature are July and August (11°C).
The coldest months (with the lowest average low temperature) are January and February (3°C).
Average rainfall in September
Cork, Ireland
- Average rainfall in September: 96mm
The wettest month (with the highest rainfall) is December (120mm).
The driest months (with the least rainfall) are April and June (61mm).
Average rainfall days in September
Cork, Ireland
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is January (21 days).
The month with the least rainy days is July (14 days).
Average sea temperature in September
Cork, Ireland
- Average sea temperature in September: 15.7°C
The best month for swimming (with the highest average sea temperature) is August (16.4°C).
The coldest month (with the lowest average sea temperature) is March (9.4°C).
Average daylight in September /
Average sunshine in September
Cork, Ireland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 4h
The months with the most sunshine are May and June (Average sunshine: 6h).
The months with the least sunshine are January, February, November and December (Average sunshine: 2h).
Average UV index in September
Cork, Ireland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 0).
