September weather forecastKillamery, Ireland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Killamery, Ireland, with an average temperature fluctuating between 8.4°C (47.1°F) and 15.7°C (60.3°F).Temperature
September's weather displays an average high-temperature of a still refreshing 15.7°C (60.3°F), slightly varied from August's 17.4°C (63.3°F). In Killamery, the average temperature during the nights of September drops to a chilly 8.4°C (47.1°F).Humidity
The average relative humidity in September is 90%.Rainfall
The months with the least rainfall are March, May and September Rain falls for 17 days and accumulates 37mm (1.46") of rain.Snowfall
In Killamery, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:08 pm IST.
Sunshine
In September, the average sunshine is 5.8h.UV index
In Killamery, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Killamery, 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 (7.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (10.6°C).
The coldest months (with the lowest average low temperature) are January, February and March (1.8°C).
Average pressure in September
Killamery, Ireland
- Average pressure in September: 1015.7mbar
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
Killamery, Ireland
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is February (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Killamery, 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
Killamery, Ireland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (70mm).
The driest months (with the least rainfall) are March, May and September (37mm).
Average rainfall days in September
Killamery, Ireland
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (15.6 days).
Average snowfall in September
Killamery, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Killamery, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Killamery, 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 48min
The months with the most sunshine are April and May (Average sunshine: 6h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Killamery, Ireland
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is November (11.1 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in September
Killamery, Ireland
- Average UV index in September: 3
The months with the highest UV index are 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
Killamery, Ireland
- Average cloud cover in September: 63
The month with the most cloud cover is July (Cloud cover 69).
The months with the least cloud cover are March and April (Cloud cover 59).
Average visibility in September
Killamery, Ireland
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
