Wicklow Mountains National Park in september: average Weather, Temperature and Climate
Weather in Wicklow Mountains National Park in september 2025
The weather in Wicklow Mountains National Park in the month of 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
tolerable weather
Weather at 6am
50°F
Fog
38% of time
26%
13%
9%
Weather at 12pm
61°F
Cloudy
45% of time
27%
14%
10%
Weather at 6pm
58°F
Partly Cloudy
29% of time
25%
23%
14%
Weather at 3am
50°F
36%
17%
16%
14%
Evolution of daily average temperature and precipitation in Wicklow Mountains National Park in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Wicklow Mountains National Park in september.
The climate of Wicklow Mountains National Park in september is tolerable
The climate in september in Wicklow Mountains National Park is rather dry (with 2.3in of rainfall over 4 days). The weather is better from the previous month since in august it receives an average of 2.8in of rainfall over 5 days.
The climate is quite fresh there this month, but it is endurable by dressing warm. Temperatures are up to 61°F. The seasonal minimum is 50°F. Thus, the mean temperature average on this month of september in Wicklow Mountains National Park is 56°F. Note that these seasonal averages are in contrast with those observed in Wicklow Mountains National Park in september with a maximum record of 83°F in 2021 and a minimum record of 32°F in 2010. You can plan to have about 6 days with temperatures up to 65°F, or 20% of the month.
On average, in Wicklow Mountains National Park, the days of september last 12:40. The sun rises at 06:00 and sets at 18:40.
With proper weather, the month of september is okay (but not good) to go there.
September: another location in Ireland?
If you want to go to Ireland in september, there are destinations with better weather than Wicklow Mountains National Park:
In september, Dublin, Cork, Ardmore, Dalkey Island, Rosslare and Tramore have good weather.
Seasonal average climate and temperature of Wicklow Mountains National Park in september
Check below seasonal norms These statistics are compiled from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 83°F (2021) | ||||
| Lowest record temperature | 32°F (2010) | ||||
| Number of days at +65°F | 6 day(s) (20%) | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 47°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.3in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 1in (2021) | ||||
| Other climate data | |||||
| Humidity | 96% | ||||
| Visibility | 7.67km | ||||
| Cloud cover | 62% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:00 | ||||
| Time of sunset | 18:40 | ||||
| Length of day | 12:40 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Wicklow Mountains National Park in september 2024:
56°F to 70°F
54°F to 59°F
45°F to 61°F
50°F to 58°F
45°F to 59°F
58°F to 70°F
56°F to 67°F
54°F to 68°F
43°F to 61°F
50°F to 56°F
47°F to 54°F
38°F to 54°F
36°F to 52°F
49°F to 63°F
58°F to 63°F
47°F to 67°F
50°F to 68°F
49°F to 67°F
50°F to 67°F
50°F to 65°F
52°F to 63°F
56°F to 59°F
52°F to 59°F
50°F to 58°F
40°F to 56°F
45°F to 52°F
41°F to 50°F
41°F to 54°F
47°F to 54°F
49°F to 52°F
Map: other cities in Ireland in september
Cities near Wicklow Mountains National Park:
| Greystones in september | good weather |
| Naas in september | tolerable weather |
| Bray in september | good weather |
| Wicklow in september | good weather |
| Droichead Nua in september | tolerable weather |
| Dún Laoghaire in september | good weather |
| Dalkey Island in september | good weather |
| Dublin in september | good weather |
| Arklow in september | good weather |
| Malahide in september | good weather |
| Carlow in september | tolerable weather |
| Skerries in september | good weather |
Click over cities on the map for information about the weather in september.
Wicklow Mountains National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Wicklow Mountains National Park in september:
Weather data for Wicklow Mountains National Park for september are derived from an average of the weather forecast since 2009 in Wicklow Mountains National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Wicklow Mountains National Park 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 Wicklow Mountains National Park.