September weather forecastBallyporeen, Ireland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ballyporeen, Ireland, with an average temperature varying between 15.7°C (60.3°F) and 8.5°C (47.3°F).Temperature
Ballyporeen signifies an average high-temperature of a moderate 15.7°C (60.3°F) in September, closely mirroring the 17.3°C (63.1°F) of August. Throughout the month of September, Ballyporeen witnesses an average temperature of 8.5°C (47.3°F).Humidity
The average relative humidity in September is 90%.Rainfall
In Ballyporeen, during September, the rain falls for 10.4 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, in Ballyporeen, there are 148.4 rainfall days, and 306mm (12.05") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Ballyporeen is 12h and 39min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:11 pm IST.
Sunshine
In Ballyporeen, the average sunshine in September is 5.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballyporeen, Ireland
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (10.5°C).
The coldest months (with the lowest average low temperature) are February and March (1.8°C).
Average pressure in September
Ballyporeen, 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
Ballyporeen, Ireland
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Ballyporeen, 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
Ballyporeen, Ireland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in September
Ballyporeen, Ireland
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in September
Ballyporeen, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballyporeen, Ireland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.8 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
Ballyporeen, 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 24min
The month with the most sunshine is June (Average sunshine: 5h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Ballyporeen, Ireland
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Ballyporeen, 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
Ballyporeen, Ireland
- Average cloud cover in September: 65
The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in September
Ballyporeen, Ireland
- Average visibility in September: 7km
The month with the highest visibility is February (9km).
The months with the lowest visibility are July, August and September (7km).
