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 sea temperature 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
Killybegs's weather in September indicates an average high-temperature of a still refreshing 14.5°C (58.1°F), nearly consistent with the 15.9°C (60.6°F) of August. In Killybegs, the nocturnal temperatures throughout September show a marginal dip from the daytime averages, settling at a fresh 10.1°C (50.2°F).Humidity
The months with the highest humidity are January, July through September, with an average relative humidity of 87%.Rainfall
In Killybegs, in September, it is raining for 19.4 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, in Killybegs, there are 234.8 rainfall days, and 634mm (24.96") of precipitation is accumulated.Snowfall
In Killybegs, snow does not fall in April through October.Sea temperature
In Killybegs, the average seawater temperature in September is 14.3°C (57.7°F).Note: Dipping into 14.3°C (57.7°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
The average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:25 pm. On the last day of September, in Killybegs, sunrise is at 7:35 am and sunset at 7:11 pm IST.
Sunshine
In Killybegs, Ireland, the average sunshine in September is 5h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Killybegs in September?
What is the most humid month in Killybegs?
What is the average humidity in September in Killybegs?
How many days does it rain in September in Killybegs?
When it does not snow in Killybegs?
What is the water temperature in September in Killybegs?
What is the average length of the day in September in Killybegs?
What time are sunrise and sunset in September in Killybegs?
How long on average sun shines in September in Killybegs?
What is the UV index intensity in September in Killybegs?
Average temperature in September
Killybegs, Ireland
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in September: 10.1°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (3.4°C).
Average pressure in September
Killybegs, Ireland
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in September
Killybegs, Ireland
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is January (23.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in September
Killybegs, Ireland
- Average humidity in September: 87%
The months with the highest relative humidity are January, July, August and September (87%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Killybegs, Ireland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in September
Killybegs, Ireland
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (16.8 days).
Average snowfall in September
Killybegs, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Killybegs, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Killybegs, Ireland
- Average sea temperature in September: 14.3°C
The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (9.2°C).
Average daylight in September /
Average sunshine in September
Killybegs, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Killybegs, Ireland
- Average sunshine days in September: 7.1 days
The month with the most sunshine days is May (9.9 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in September
Killybegs, Ireland
- Average UV index in September: 3
The months with the highest UV index are May, June and July (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
Killybegs, Ireland
- Average cloud cover in September: 65
The months with the most cloud cover are January and August (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Killybegs, Ireland
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Killybegs, Ireland
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