September weather forecastBallymurn, Ireland
September
Weather in September
September, the first month of the autumn in Ballymurn, is still a mild month, with an average temperature fluctuating between 15.7°C (60.3°F) and 11.5°C (52.7°F).Temperature
With the start of September, Ballymurn measures an average high-temperature of a moderate 15.7°C (60.3°F), not significantly differing from August's 17.1°C (62.8°F). Ballymurn's average temperature throughout the nights in September exhibits a minor decrease from daytime highs, stabilizing at a cool 11.5°C (52.7°F).Humidity
In September, the average relative humidity is 86%.Rainfall
In Ballymurn, in September, it is raining for 9.9 days, with typically 15mm (0.59") of accumulated precipitation. In Ballymurn, during the entire year, the rain falls for 139.2 days and collects up to 222mm (8.74") of precipitation.Snowfall
March through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September in Ballymurn, sunrise is at 6:37 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:05 pm IST.
Sunshine
The average sunshine in September is 7.3h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballymurn, Ireland
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The months with the lowest average high temperature are January and February (8.3°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in September
Ballymurn, Ireland
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Ballymurn, Ireland
- Average wind speed in September: 19.8km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (17.5km/h).
Average humidity in September
Ballymurn, Ireland
- Average humidity in September: 86%
The month with the highest relative humidity is July (87%).
The months with the lowest relative humidity are February, March and April (83%).
Average rainfall in September
Ballymurn, Ireland
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (37mm).
The driest month (with the least rainfall) is May (9mm).
Average rainfall days in September
Ballymurn, Ireland
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Ballymurn, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (4mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballymurn, Ireland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.1 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
Ballymurn, 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: 7h and 18min
The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Ballymurn, Ireland
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in September
Ballymurn, Ireland
- Average UV index in September: 4
The months with the highest UV index are June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ballymurn, Ireland
- Average cloud cover in September: 48
The months with the most cloud cover are February and December (Cloud cover 57).
The months with the least cloud cover are April, May, June and September (Cloud cover 48).
Average visibility in September
Ballymurn, Ireland
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).





