September weather forecastDolphins Barn, Ireland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Dolphins Barn, Ireland, with temperature in the range of an average low of 9.1°C (48.4°F) and an average high of 15.4°C (59.7°F).Temperature
Dolphins Barn, Ireland, indicates an average high-temperature of a moderate 15.4°C (59.7°F) in September, showing minor variation from August's 17.1°C (62.8°F). Throughout the nights in September, Dolphins Barn experiences an average low-temperature of 9.1°C (48.4°F).Humidity
The average relative humidity in September is 88%.Rainfall
In Dolphins Barn, during September, the rain falls for 17.8 days and regularly aggregates up to 51mm (2.01") of precipitation. In Dolphins Barn, during the entire year, the rain falls for 208.7 days and collects up to 560mm (22.05") of precipitation.Snowfall
In Dolphins Barn, Ireland, snow does not fall in April through September.Daylight
The average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:14 pm. On the last day of September, in Dolphins Barn, Ireland, sunrise is at 7:26 am and sunset at 7:03 pm IST.
Sunshine
In Dolphins Barn, Ireland, the average sunshine in September is 6.1h.UV index
The average daily maximum UV index in September in Dolphins Barn is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dolphins Barn, Ireland
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Dolphins Barn, Ireland
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in September
Dolphins Barn, Ireland
- Average wind speed in September: 15.3km/h
The windiest months (with the highest average wind speed) are January and December (21.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.6km/h).
Average humidity in September
Dolphins Barn, Ireland
- Average humidity in September: 88%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are March, April and May (85%).
Average rainfall in September
Dolphins Barn, Ireland
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (73mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in September
Dolphins Barn, Ireland
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in September
Dolphins Barn, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Dolphins Barn, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dolphins Barn, Ireland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 6min
The month with the most sunshine is April (Average sunshine: 6h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Dolphins Barn, Ireland
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Dolphins Barn, Ireland
- Average UV index in September: 3
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Dolphins Barn, Ireland
- Average cloud cover in September: 57
The month with the most cloud cover is July (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Dolphins Barn, Ireland
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).





