Weather in Dublin in september 2025

The weather in Dublin in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

good weather

Weather at 6am
54°F

Cloudy

26%

Clear/Sunny

26%

Moderate rain at times

9%

Weather at 12pm
61°F

Partly Cloudy

34%

Clear/Sunny

20%

Moderate rain at times

8%

Weather at 6pm
59°F

Clear/Sunny

27%

Cloudy

26%

Moderate rain at times

12%

Weather at 3am
54°F

Partly Cloudy

30%

Clear/Sunny

28%

Cloudy

15%

Moderate rain at times

14%



Evolution of daily average temperature and precipitation in Dublin in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Dublin in september.


The climate of Dublin in september is good

During the months between autumn and summer, temperatures begin to fall during the month of September. The weather becomes gentle once again as the precipitation gradually withdraws. For this reason, the weather in Dublin throughout September is still acceptable for outdoor activities. It is enough to simply cover well in order to feel comfortable.

Dublin at the Beginning of September

At the beginning of the month, a pleasantly comfortable atmosphere characterizes the days. To this is added a beautiful sunshine which, despite its alternation with the rainy weather and the cloudy days, contributes to the quality of the climatic conditions. As a result, this period lends itself even more to tourist visits.

Dublin in the Middle of September

The climatic conditions of the middle of the month make it possible to spend pleasant moments outside. However, because of the lower temperatures, one must think of wearing warm clothes in order to feel comfortable and fully enjoy the sun - especially as the rains gradually withdraw.

Dublin at the End of September

Following the decrease in precipitation, the climate throughout September in Dublin is improving a little bit. However instead of beautiful sunny days, expect cloudy days - with furtive apparitions of the sun. One can nevertheless enjoy the good moments decorated with a gentle and pleasant atmosphere.



Seasonal average climate and temperature of Dublin in september

Check below seasonal norms These datas are compiled from the weather statements of the last years of september.

September
Outside temperature
Average temperature 58°F
Highest temperature 61°F
Lowest temperature 54°F
Highest record temperature 74°F
(2021)
Lowest record temperature 36°F
(2020)
Number of days at +65°F 6 day(s)
(20%)
Sea temperature
Average sea temperature 59°F
Lowest sea temperature 58°F
Highest sea temperature 60°F
Wind
Wind speed 22km/h
Wind temperature 50°F
Precipitation (rainfall)
Rainfall 2.7in
Number of days with rainfall 4 day(s)
(13%)
Record daily rainfall 1.5in
(2021)
Other climate data
Humidity 91%
Visibility 9.24km
Cloud cover 50%
UV index 4
Daily sunshine hours 11
Sunrise and sunset
Time of sunrise 05:59
Time of sunset 18:40
Length of day 12:41
Our opinion about the weather in september
Our opinion at whereandwhen.net good



How was the weather last september?

Here is the day by day recorded weather in Dublin in september 2024:

01-09-2024
Cloudy
58°F to 65°F
02-09-2024
Overcast
56°F to 61°F
03-09-2024
Patchy rain nearby
50°F to 61°F
04-09-2024
Light rain shower
52°F to 58°F
05-09-2024
Patchy rain nearby
54°F to 59°F
06-09-2024
Clear/Sunny
59°F to 63°F
07-09-2024
Overcast
59°F to 63°F
08-09-2024
Patchy rain nearby
59°F to 65°F
09-09-2024
Clear/Sunny
49°F to 61°F
10-09-2024
Patchy rain nearby
54°F to 58°F
11-09-2024
Light drizzle
50°F to 56°F
12-09-2024
Patchy rain nearby
43°F to 54°F
13-09-2024
Partly Cloudy
43°F to 56°F
14-09-2024
Clear/Sunny
52°F to 63°F
15-09-2024
Patchy rain nearby
59°F to 61°F
16-09-2024
Partly Cloudy
52°F to 63°F
17-09-2024
Clear/Sunny
54°F to 63°F
18-09-2024
Clear/Sunny
54°F to 61°F
19-09-2024
Clear/Sunny
54°F to 59°F
20-09-2024
Clear/Sunny
56°F to 61°F
21-09-2024
Partly Cloudy
56°F to 59°F
22-09-2024
Patchy rain nearby
58°F to 59°F
23-09-2024
Patchy rain nearby
56°F to 58°F
24-09-2024
Patchy rain nearby
52°F to 59°F
25-09-2024
Partly Cloudy
47°F to 54°F
26-09-2024
Patchy rain nearby
49°F to 56°F
27-09-2024
Patchy rain nearby
47°F to 52°F
28-09-2024
Clear/Sunny
47°F to 56°F
29-09-2024
Light rain shower
52°F to 54°F
30-09-2024
Light rain
50°F to 54°F

Map: other cities in Ireland in september

Cities near Dublin:

Dún Laoghaire in septembergood weather
Malahide in septembergood weather
Dalkey Island in septembergood weather
Bray in septembergood weather
Greystones in septembergood weather
Skerries in septembergood weather
Balbriggan in septembergood weather
Naas in septembertolerable weather
Wicklow Mountains National Park in septembertolerable weather
Laytown in septembergood weather
Droichead Nua in septembertolerable weather
Drogheda in septembergood weather
Ireland in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Dublin perfect weather good tolerable bad very bad


Weather data for Dublin in september:

Weather data for Dublin for september are derived from an average of the weather forecast since 2009 in Dublin. There is a margin of error and these forecasts are to be considered as general information only. The weather in Dublin can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Dublin.


Weather in august in Dublin
Weather in october in Dublin
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