Ireland in september: average Weather, Temperature and Climate, Where to go?
How is the climate in Ireland in september? Is it the perfect time to visit Cork and Birr? Check out weather datas and our advices here.
bad weather across 31% of the territory tolerable weather across 35% of the territory good weather across 35% of the territory
Weather in Ireland in september 2021
In this section, you have access to the weather forecast for september for most popular cities in Ireland. These datas are probabilities for september from weather reports for over 10 years. The percentage indicates the possibility of having the weather indicated.
Average weather in september in Dublin
good weather
Weather at 6am
54°F
Cloudy
37% of time
30%
23%
9%
Weather at 12pm
61°F
Cloudy
44% of time
37%
18%
2%
Weather at 6pm
58°F
Partly Cloudy
37% of time
32%
25%
4%
Weather at 3am
54°F
31%
28%
22%
10%
Where to go in Ireland in september?
Where to go in Ireland in september: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Ireland in september when it comes to the weather?
Remember:
The climate in Ireland in september ranges from good to bad depending on the region and city.
The climate throughout September in Ireland depends on the location of each locality. Thus, one will have favorable climatic conditions in the south, rainy days in the center and conditions barely favorable for the rest of the territory.
September in Malin Head and Northern Ireland
One will have the opportunity to enjoy several days of sunshine. Even if sometimes the sky is covered with clouds and the showers may occur at any moment.
September in Birr and Central Ireland
Not only is the weather refreshing, but the presence of rain also accentuates the poor quality of the weather in Ireland throughout September on the center of the island.
September in Dublin and the East Coast of Ireland
The climatic conditions of Dublin have improved because despite a discrete decrease in heat, the sunny days count many. One will spend pleasant moments here.
Septmber in Valentia and the South-west Coast of Ireland
Thanks to the mildness of the atmosphere and the regression of the showers, the climatic conditions in Valentia and its surroundings will allow to enjoy a comfortable climate.
Climate in Ireland in september
Climate in Dublin in september
In the month of september, the mean temperature in Dublin is 59°F (maximum temperature is 61°F and minimum temperature is 58°F). The climate is quite fresh in this city in the month of september, but it is tolerable when dressing warm. With 1.1in over 6 days, rainfall can happen for your stay. But this is reasonably and it will not be continuous.
With a correct weather, the month of september is okay (but not good month) for traveling in this city in Ireland.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 59°F | ||
| Rainfall | 1.1in | ||
| Number of days with rainfall | 6 day(s) (19%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 51% | ||
| Length of day | 12:41 | ||
| Our opinion at whereandwhen.net | good |
Climate in Cork in september
In the month of september, maximum temperature is 63°F and minimum temperature is 58°F (for an average temperature of 59°F). The climate is rather cool here in the month of september, but it is bearable when dressing hot. With 1.6in over 7 days, rainfall can happen during your holidays. But this is rather moderate and it is only of temporary showers.
With a correct weather, the month of september is okay (but not the best time) for traveling there in Ireland.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 61°F | ||
| Rainfall | 1.6in | ||
| Number of days with rainfall | 7 day(s) (24%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 54% | ||
| Length of day | 12:39 | ||
| Our opinion at whereandwhen.net | good |
Climate in Galway in september
In september, the mean temperature in Galway is 59°F (maximum temperature is 61°F and minimum temperature is 56°F). The climate is rather cold in that area in the month of september, but it is endurable by dressing warm. With 1.7in over 10 days, rainfall can happen for your vacations. But this is pretty reasonably and it will not be continuous.
With a correct climate, september is okay (but not good month) for traveling in Galway in Ireland.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 56°F | ||
| Sea temperature | 59°F | ||
| Rainfall | 1.7in | ||
| Number of days with rainfall | 10 day(s) (33%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 63% | ||
| Length of day | 12:40 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Birr in september
In september, the mean temperature in Birr is 58°F (maximum temperature is 61°F and minimum temperature is 56°F). The climate is relatively cool in this location in the month of september, but it is liveable by dressing warm. With 1.6in over 9 days, you will experience some showers during your trip. But this is rather moderate and it will not be continuous.
With a bad climate, the month of september is not the best time to go in Birr.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 56°F | ||
| Rainfall | 1.6in | ||
| Number of days with rainfall | 9 day(s) (30%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 65% | ||
| Length of day | 12:40 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Cashel in september
In the month of september, the mean temperature in Cashel is 56°F (maximum temperature is 61°F and minimum temperature is 49°F). The climate is rather cold in that locality in this month, but it is tolerable by dressing warm. With 0.9in over 5 days, you risk getting wet slightly during your holidays. But this is pretty moderate and you will not be too bothered by it.
With an unfavorable weather, september is not recommended month to go in Cashel in Ireland.
| September | |||
| Average temperature | 56°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 49°F | ||
| Rainfall | 0.9in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 98% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 67% | ||
| Length of day | 12:39 | ||
| Our opinion at whereandwhen.net | bad |
All cities in Ireland in september
| Dublin in september | good weather |
| Cork in september | good weather |
| Galway in september | tolerable weather |
| Birr in september | tolerable weather |
| Cashel in september | bad weather |
| Donegal in september | bad weather |
| Kilkenny in september | tolerable weather |
| Killarney in september | bad weather |
| Limerick in september | tolerable weather |
| Malin Head in september | tolerable weather |
| Rosslare in september | good weather |
| Shannon in september | tolerable weather |
| Valentia in september | tolerable weather |
| Arklow in september | good weather |
| Athlone in september | bad weather |
| Balbriggan in september | good weather |
| Ballaghaderreen in september | bad weather |
| Ballina in september | bad weather |
| Ballinrobe in september | bad weather |
| Ballybofey in september | bad weather |
| Ballyshannon in september | bad weather |
Weather data for Ireland in september:
Weather data for Ireland in september is derived from an average of the weather forecast since 2009 in Ireland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ireland can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Ireland.