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Weather in September
Temperature
The arrival of September sees an average high-temperature of an enjoyable 17.8°C (64°F), hardly diverging from August's 20.2°C (68.4°F). During September, the nighttime temperature averages to a chilly 9.1°C (48.4°F).Humidity
In Kilkenny, the average relative humidity in September is 67.5%.Rainfall
In Kilkenny, during September, the rain falls for 10 days and regularly aggregates up to 69mm (2.72") of precipitation. In Kilkenny, during the entire year, the rain falls for 135 days and collects up to 857mm (33.74") of precipitation.Snowfall
In Kilkenny, snow does not fall in June through October.Daylight
In Kilkenny, the average length of the day in September is 12h and 40min.On the first day of September in Kilkenny, Ireland, sunrise is at 6:40 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:08 pm IST.
Sunshine
In Kilkenny, Ireland, the average sunshine in September is 4.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Kilkenny in September?
What is the average humidity in September in Kilkenny?
How much does it rain in Kilkenny in September?
When it does not snow in Kilkenny?
How many hours of daylight does Kilkenny have in September?
What time are sunrise and sunset in September in Kilkenny?
How many hours of sunshine does Kilkenny have in September?
What is the UV index reading in September in Kilkenny?
Average temperature in September
Kilkenny, Ireland
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (8.2°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average humidity in September
Kilkenny, Ireland
- Average humidity in September: 67.5%
The month with the highest relative humidity is December (81.8%).
The month with the lowest relative humidity is May (63.4%).
Average rainfall in September
Kilkenny, Ireland
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is October (95.3mm).
The driest month (with the least rainfall) is July (54.6mm).
Average rainfall days in September
Kilkenny, Ireland
- Average rainfall days in September: 10 days
The months with the highest number of rainy days are January, October and December (13 days).
The month with the least rainy days is July (9 days).
Average snowfall days in September
Kilkenny, Ireland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kilkenny, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 4h and 1min
The month with the most sunshine is May (Average sunshine: 5h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average UV index in September
Kilkenny, Ireland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 0).
Kilkenny, Ireland
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