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
The advent of September signifies a minor shift to an average high-temperature of a still refreshing 15.5°C (59.9°F), aligning closely with August. Nights during September maintain a steady temperature, averaging at a cool 12.1°C (53.8°F).Humidity
In Doolin, the average relative humidity in September is 84%.Rainfall
The month with the least rainfall is September, when the rain falls for 18 days and typically collects 54mm (2.13") of precipitation.Snowfall
In Doolin, Ireland, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:48 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:16 pm IST.
Sunshine
The average sunshine in September is 5.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk 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:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Doolin in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Doolin have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Doolin have in September?
When is the highest UV index?
What is the UV index reading in September?
Average temperature in September
Doolin, Ireland
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is February (8.6°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (13.2°C).
The coldest months (with the lowest average low temperature) are February and March (5.5°C).
Average pressure in September
Doolin, Ireland
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.9mbar).
Average wind speed in September
Doolin, Ireland
- Average wind speed in September: 23.2km/h
The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is June (19.7km/h).
Average humidity in September
Doolin, Ireland
- Average humidity in September: 84%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are February, March and April (81%).
Average rainfall in September
Doolin, Ireland
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is December (127mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in September
Doolin, Ireland
- Average rainfall days in September: 18 days
The month with the highest number of rainy days is January (24.3 days).
The months with the least rainy days are April and September (18 days).
Average snowfall in September
Doolin, Ireland
- Average snowfall in September: 0mm
The months with the highest snowfall are January and March (8mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Doolin, Ireland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Doolin, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Doolin, Ireland
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is July (8.8 days).
The month with the least sunshine days is January (4.6 days).
Average UV index in September
Doolin, 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
Doolin, Ireland
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Doolin, Ireland
- Average visibility in September: 10km
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).
