Arklow in september: average Weather, Temperature and Climate
Weather in Arklow in september 2025
The weather in Arklow in the month of september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
56°F
Partly Cloudy
31% of time
29%
26%
9%
Weather at 12pm
61°F
Partly Cloudy
36% of time
29%
24%
9%
Weather at 6pm
59°F
Partly Cloudy
33% of time
28%
22%
13%
Weather at 3am
56°F
35%
29%
14%
13%
Evolution of daily average temperature and precipitation in Arklow in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Arklow in september.
The climate of Arklow in september is good
the weather in Arklow in september is relatively dry (with 2.2in of precipitation over 3 days). This is better than the previous month since in august it receives an average of 2.8in of rainfall over 4 days.
The climate is rather cool around this city the month of september, but it is bearable by dressing hot. Temperatures are up to 61°F. The seasonal minimum is 56°F. Thus, the mean temperature average on this month of september in Arklow is 58°F. These temperatures are far removed from those records observed in Arklow in the month of september with a maximum record of 68°F in 2013 and a minimum record of 38°F in 2010. You can plan to have about 4 days with temperatures up to 65°F, or 13% of the month.
On average, in Arklow, the days of september last 12:40. The sun rises at 05:59 and sets at 18:39.
With proper weather, this month is okay (but not the best) to go in this city in Ireland.
Seasonal average climate and temperature of Arklow in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 68°F (2013) | ||||
| Lowest record temperature | 38°F (2010) | ||||
| Number of days at +65°F | 4 day(s) (13%) | ||||
| Sea temperature | |||||
| Average sea temperature | 60°F | ||||
| Lowest sea temperature | 59°F | ||||
| Highest sea temperature | 61°F | ||||
| Wind | |||||
| Wind speed | 24km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.2in | ||||
| Number of days with rainfall | 3 day(s) (11%) | ||||
| Record daily rainfall | 1.3in (2010) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.29km | ||||
| Cloud cover | 48% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:59 | ||||
| Time of sunset | 18:39 | ||||
| Length of day | 12:40 | ||||
| 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 Arklow in september 2024:
59°F to 67°F
58°F to 63°F
49°F to 63°F
49°F to 59°F
47°F to 61°F
59°F to 67°F
59°F to 65°F
56°F to 68°F
47°F to 63°F
56°F to 58°F
50°F to 58°F
43°F to 56°F
41°F to 56°F
56°F to 61°F
59°F to 61°F
52°F to 63°F
52°F to 65°F
54°F to 61°F
54°F to 65°F
54°F to 63°F
54°F to 63°F
58°F to 59°F
58°F to 59°F
47°F to 58°F
49°F to 54°F
49°F to 52°F
47°F to 56°F
43°F to 56°F
54°F to 56°F
52°F to 58°F
Map: other cities in Ireland in september
Cities near Arklow:
| Wicklow in september | good weather |
| Wicklow Mountains National Park in september | tolerable weather |
| Greystones in september | good weather |
| Enniscorthy in september | good weather |
| Bray in september | good weather |
| Carlow in september | tolerable weather |
| Dalkey Island in september | good weather |
| Wexford in september | good weather |
| Dún Laoghaire in september | good weather |
| Naas in september | tolerable weather |
| Rosslare in september | good weather |
| Droichead Nua in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Arklow
perfect weather
good
tolerable
bad
very bad
Weather data for Arklow in september:
Weather data for Arklow for september are derived from an average of the weather forecast since 2009 in Arklow. There is a margin of error and these forecasts are to be considered as general information only. The weather in Arklow 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 Arklow.