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
Buncrana records an average high-temperature of a still refreshing 14.9°C (58.8°F) in September, maintaining a close correlation with August's 16°C (60.8°F). Throughout September, Buncrana encounters an average temperature drop to a chilly 9.7°C (49.5°F).Humidity
In September, the average relative humidity is 86%.Rainfall
In Buncrana, Ireland, during September, the rain falls for 19.9 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 225.7 rainfall days, and 615mm (24.21") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Buncrana.Daylight
In Buncrana, Ireland, the average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:22 pm. On the last day of September, in Buncrana, Ireland, sunrise is at 7:31 am and sunset at 7:07 pm IST.
Sunshine
In September, the average sunshine is 5.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Buncrana?
What is the average humidity in September in Buncrana?
How much does it rain in Buncrana in September?
When it does not snow in Buncrana?
What is the average length of the day in September in Buncrana?
When are sunrise and sunset in September in Buncrana?
How long on average sun shines in September in Buncrana?
How high is the UV index in September in Buncrana?
Average temperature in September
Buncrana, Ireland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Buncrana, Ireland
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is November (1006.5mbar).
Average wind speed in September
Buncrana, Ireland
- Average wind speed in September: 18km/h
The windiest month (with the highest average wind speed) is January (23.6km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in September
Buncrana, Ireland
- Average humidity in September: 86%
The months with the highest relative humidity are July and August (87%).
The months with the lowest relative humidity are March and April (82%).
Average rainfall in September
Buncrana, Ireland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is August (83mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Buncrana, Ireland
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is August (25.4 days).
The month with the least rainy days is February (13.4 days).
Average snowfall in September
Buncrana, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Buncrana, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Buncrana, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Buncrana, Ireland
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Buncrana, Ireland
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Buncrana, Ireland
- Average cloud cover in September: 62
The months with the most cloud cover are January and July (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Buncrana, Ireland
- Average visibility in September: 9km
The month with the highest visibility is February (10km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
Buncrana, Ireland
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