September weather forecastBarnaderg, Ireland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Barnaderg, Ireland, with temperature in the range of an average low of 10°C (50°F) and an average high of 15.5°C (59.9°F).Temperature
The arrival of September brings an average high-temperature of a mild 15.5°C (59.9°F), subtly diverging from August's 16.9°C (62.4°F). An average low-temperature of 10°C (50°F) is recorded in the month of September.Humidity
The months with the highest humidity are January, July through December, with an average relative humidity of 87%.Rainfall
In Barnaderg, during September, the rain falls for 17.9 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 235.6 rainfall days, and 621mm (24.45") of precipitation is accumulated.Snowfall
In Barnaderg, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:24 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:13 pm IST.
Sunshine
In Barnaderg, the average sunshine in September is 5.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barnaderg, Ireland
- Average high temperature in September: 15.5°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 (7.9°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Barnaderg, Ireland
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in September
Barnaderg, Ireland
- Average wind speed in September: 16.6km/h
The windiest months (with the highest average wind speed) are February and December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).
Average humidity in September
Barnaderg, Ireland
- Average humidity in September: 87%
The months with the highest relative humidity are January, July, August, September, October, November and December (87%).
The months with the lowest relative humidity are March and April (83%).
Average rainfall in September
Barnaderg, Ireland
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in September
Barnaderg, Ireland
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is April (17.3 days).
Average snowfall in September
Barnaderg, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Barnaderg, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Barnaderg, 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 18min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Barnaderg, Ireland
- Average sunshine days in September: 7.1 days
The month with the most sunshine days is March (9.4 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in September
Barnaderg, Ireland
- Average UV index in September: 3
The months with the highest UV index are May, June and July (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
Barnaderg, Ireland
- Average cloud cover in September: 62
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Barnaderg, Ireland
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
