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
Allihies marks the onset of September with an average high-temperature of a mild 15.5°C (59.9°F), subtly divergent from August's 16.1°C (61°F). In September, Allihies's nights cool slightly to a consistent average temperature of 11.5°C (52.7°F).Humidity
July through September, with an average relative humidity of 86%, are the most humid months in Allihies.Rainfall
In Allihies, Ireland, during September, the rain falls for 16 days and regularly aggregates up to 54mm (2.13") of precipitation. In Allihies, during the entire year, the rain falls for 224 days and collects up to 816mm (32.13") of precipitation.Snowfall
In Allihies, snow does not fall in May through November.Daylight
In September, the average length of the day in Allihies is 12h and 38min.On the first day of September in Allihies, sunrise is at 6:53 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:19 pm IST.
Sunshine
In Allihies, the average sunshine in September is 5.9h.UV index
The months with the highest UV index in Allihies are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the temperatures in Allihies in September?
What is the most humid month in Allihies?
What is the average humidity in September in Allihies?
How much does it rain in Allihies in September?
When it does not snow in Allihies?
How many hours of daylight does Allihies have in September?
What time are sunrise and sunset in September in Allihies?
How many hours of sunshine does Allihies have in September?
When is the highest UV index in Allihies?
What is the UV index intensity in September in Allihies?
Average temperature in September
Allihies, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is February (8.4°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are February and March (5.4°C).
Average pressure in September
Allihies, Ireland
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Allihies, Ireland
- Average wind speed in September: 18.8km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in September
Allihies, Ireland
- Average humidity in September: 86%
The months with the highest relative humidity are July, August and September (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Allihies, Ireland
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is December (106mm).
The driest month (with the least rainfall) is May (45mm).
Average rainfall days in September
Allihies, Ireland
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is January (21.6 days).
The month with the least rainy days is September (16 days).
Average snowfall in September
Allihies, Ireland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Allihies, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 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
Allihies, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Allihies, Ireland
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Allihies, Ireland
- Average UV index in September: 4
The months with the highest UV index are May, 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
Allihies, Ireland
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in September
Allihies, 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).
Allihies, Ireland
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