September weather forecastBallygar, Ireland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ballygar, Ireland, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 8.8°C (47.8°F).Temperature
September observes an average high-temperature of a mild 15.5°C (59.9°F), marking an insignificant difference from August's 17.1°C (62.8°F). The temperature dips to an average of 8.8°C (47.8°F) during September nights.Humidity
In September, the average relative humidity in Ballygar is 89%.Rainfall
In September, in Ballygar, the rain falls for 14.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 192.5 rainfall days, and 378mm (14.88") of precipitation is accumulated.Snowfall
In Ballygar, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of September in Ballygar, sunrise is at 6:43 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:11 pm IST.
Sunshine
In September, the average sunshine is 5.1h.UV index
In Ballygar, Ireland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballygar, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (10.5°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in September
Ballygar, Ireland
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in September
Ballygar, Ireland
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in September
Ballygar, Ireland
- Average humidity in September: 89%
The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (85%).
Average rainfall in September
Ballygar, Ireland
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Ballygar, Ireland
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (13.1 days).
Average snowfall in September
Ballygar, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballygar, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Ballygar, 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: 5h and 6min
The month with the most sunshine is June (Average sunshine: 6h and 42min).
The months with the least sunshine are January, February, October and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Ballygar, Ireland
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in September
Ballygar, Ireland
- Average UV index in September: 3
The month with the highest UV index is June (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
Ballygar, Ireland
- Average cloud cover in September: 65
The months with the most cloud cover are July and August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in September
Ballygar, Ireland
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (7km).
