September weather forecastLisronagh, Ireland
September
Weather in September
September, the first month of the autumn in Lisronagh, is also a moderate month, with temperature in the range of an average high of 15.7°C (60.3°F) and an average low of 8.4°C (47.1°F).Temperature
The shift into September reveals an average high-temperature of a moderate 15.7°C (60.3°F), closely mirroring August's climate. Throughout September, Lisronagh registers a consistent average low-temperature of 8.4°C (47.1°F).Humidity
The average relative humidity in September is 90%.Rainfall
The months with the least rainfall are January, March and September Rain falls for 11.3 days and accumulates 22mm (0.87") of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:42 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:10 pm IST.
Sunshine
The average sunshine in September is 5.3h.UV index
In September, the average daily maximum UV index in Lisronagh is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lisronagh, Ireland
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in September
Lisronagh, Ireland
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).
Average wind speed in September
Lisronagh, Ireland
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Lisronagh, Ireland
- Average humidity in September: 90%
The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).
Average rainfall in September
Lisronagh, Ireland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is November (45mm).
The driest months (with the least rainfall) are January, March and September (22mm).
Average rainfall days in September
Lisronagh, Ireland
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in September
Lisronagh, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lisronagh, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lisronagh, Ireland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 5h and 18min
The months with the most sunshine are April and June (Average sunshine: 5h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Lisronagh, Ireland
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Lisronagh, 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, March, November and December (UV index 2).
Average cloud cover in September
Lisronagh, Ireland
- Average cloud cover in September: 67
The month with the most cloud cover is July (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Lisronagh, Ireland
- Average visibility in September: 7km
The month with the highest visibility is February (9km).
The months with the lowest visibility are July, August, September and October (7km).





