Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As Old Kilcullen, Ireland, steps into September, the average high-temperature holds at a still refreshing 15.1°C (59.2°F), hinting at a minor fluctuation from the prior month. Old Kilcullen cools down to an average low-temperature of 8.5°C (47.3°F) throughout the month of September.Humidity
In Old Kilcullen, the average relative humidity in September is 90%.Rainfall
In September, in Old Kilcullen, the rain falls for 10.1 days. Throughout September, 16mm (0.63") of precipitation is accumulated. Throughout the year, there are 142.7 rainfall days, and 221mm (8.7") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Old Kilcullen is 12h and 40min.On the first day of September in Old Kilcullen, Ireland, sunrise is at 6:38 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:05 pm IST.
Sunshine
In Old Kilcullen, the average sunshine in September is 5.6h.UV index
The average daily maximum UV index in September in Old Kilcullen is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are the temperatures in Old Kilcullen in September?
What is the average humidity in September in Old Kilcullen?
How much does it rain in Old Kilcullen in September?
When it does not snow in Old Kilcullen?
How many hours of daylight does Old Kilcullen have in September?
What time are sunrise and sunset in September in Old Kilcullen?
How many hours of sunshine does Old Kilcullen have in September?
How high is the UV index in September in Old Kilcullen?
Average temperature in September
Old Kilcullen, Ireland
- Average high temperature in September: 15.1°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 (6.6°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Old Kilcullen, Ireland
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in September
Old Kilcullen, Ireland
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Old Kilcullen, Ireland
- Average humidity in September: 90%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in September
Old Kilcullen, Ireland
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (26mm).
The driest months (with the least rainfall) are January and October (13mm).
Average rainfall days in September
Old Kilcullen, Ireland
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in September
Old Kilcullen, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Old Kilcullen, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Old Kilcullen, Ireland
- Average daylight in September: 12h and 4min
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 42min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Old Kilcullen, Ireland
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Old Kilcullen, 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
Old Kilcullen, Ireland
- Average cloud cover in September: 63
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Old Kilcullen, 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).
Old Kilcullen, Ireland
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