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
September
Weather in September
Temperature
September's arrival brings an average high-temperature of a moderate 15.7°C (60.3°F), slightly deviating from August's 17.1°C (62.8°F). Duncormick registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 11.5°C (52.7°F) during September.Humidity
In Duncormick, Ireland, the average relative humidity in September is 86%.Rainfall
In Duncormick, Ireland, in September, it is raining for 9.9 days, with typically 15mm (0.59") of accumulated precipitation. In Duncormick, during the entire year, the rain falls for 139.2 days and collects up to 222mm (8.74") of precipitation.Snowfall
March through October are months without snowfall in Duncormick.Daylight
In Duncormick, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:13 pm. On the last day of September, in Duncormick, sunrise is at 7:26 am and sunset at 7:05 pm IST.
Sunshine
In Duncormick, Ireland, the average sunshine in September is 7.3h.UV index
June through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Duncormick?
What is the average humidity in September in Duncormick?
How much does it rain in Duncormick in September?
When it does not snow in Duncormick?
What is the average length of the day in September in Duncormick?
When are sunrise and sunset in September in Duncormick?
How long on average sun shines in September in Duncormick?
When is the highest UV index in Duncormick?
What is the UV index reading in September in Duncormick?
Average temperature in September
Duncormick, Ireland
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The months with the lowest average high temperature are January and February (8.3°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in September
Duncormick, Ireland
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Duncormick, Ireland
- Average wind speed in September: 19.8km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (17.5km/h).
Average humidity in September
Duncormick, Ireland
- Average humidity in September: 86%
The month with the highest relative humidity is July (87%).
The months with the lowest relative humidity are February, March and April (83%).
Average rainfall in September
Duncormick, Ireland
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (37mm).
The driest month (with the least rainfall) is May (9mm).
Average rainfall days in September
Duncormick, Ireland
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Duncormick, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (4mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Duncormick, Ireland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.1 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
Duncormick, Ireland
- Average daylight in September: 12h and 4min
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: 7h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Duncormick, Ireland
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in September
Duncormick, Ireland
- Average UV index in September: 4
The months with the highest UV index are June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Duncormick, Ireland
- Average cloud cover in September: 48
The months with the most cloud cover are February and December (Cloud cover 57).
The months with the least cloud cover are April, May, June and September (Cloud cover 48).
Average visibility in September
Duncormick, Ireland
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
