Ballycastle in september: average Weather, Temperature and Climate
Weather in Ballycastle in september 2025
The weather in Ballycastle in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather
Weather at 6am
58°F
Moderate rain at times
39% of time
19%
18%
14%
Weather at 12pm
59°F
Moderate rain at times
33% of time
20%
20%
15%
Weather at 6pm
59°F
Moderate rain at times
34% of time
22%
20%
15%
Weather at 3am
58°F
40%
18%
16%
15%
Evolution of daily average temperature and precipitation in Ballycastle in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ballycastle in september.
The climate of Ballycastle in september is tolerable
In september in Ballycastle, the climate is wet (with 6.6in of rainfall over 11 days). It should be noted an improvement from the previous month since in august it receives an average of 7.4in of precipitation over 12 days.
The climate is quite cold in that area this month, but it is liveable by dressing cosy. Temperatures are up to 59°F. The seasonal minimum is 58°F. Thus, the mean temperature average on this month of september in Ballycastle is 59°F. Note that these seasonal averages are in contrast with those observed in Ballycastle in the month of september with a maximum record of 68°F in 2021 and a minimum record of 49°F in 2020.
Day length in Ballycastle in september is 12:42. The sun rises at 06:11 and sunset is at 18:53.
With proper weather, september is okay (but not the best) to go in this locality in Ireland.
September: another location in Ireland?
If you want to go to Ireland in september, there are destinations with better weather than Ballycastle:
In september, Dublin, Cork, Ardmore, Dalkey Island, Rosslare and Tramore have good weather.
Seasonal average climate and temperature of Ballycastle in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 59°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 68°F (2021) | ||||
| Lowest record temperature | 49°F (2020) | ||||
| Number of days at +65°F | 1 day(s) (3%) | ||||
| Sea temperature | |||||
| Average sea temperature | 58°F | ||||
| Lowest sea temperature | 56°F | ||||
| Highest sea temperature | 60°F | ||||
| Wind | |||||
| Wind speed | 33km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.6in | ||||
| Number of days with rainfall | 11 day(s) (36%) | ||||
| Record daily rainfall | 2.8in (2015) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 8.94km | ||||
| Cloud cover | 61% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:11 | ||||
| Time of sunset | 18:53 | ||||
| Length of day | 12:42 | ||||
| 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 Ballycastle in september 2024:
54°F to 63°F
54°F to 59°F
56°F to 58°F
54°F to 56°F
56°F to 59°F
58°F to 61°F
58°F to 59°F
56°F to 58°F
56°F to 58°F
54°F to 58°F
52°F to 54°F
52°F to 54°F
50°F to 58°F
58°F to 59°F
56°F to 58°F
56°F to 59°F
58°F to 63°F
56°F to 61°F
56°F to 65°F
58°F to 63°F
58°F to 63°F
58°F to 61°F
56°F to 58°F
54°F to 56°F
50°F to 54°F
52°F to 54°F
52°F to 54°F
54°F to 56°F
52°F to 56°F
54°F to 56°F
Map: other cities in Ireland in september
Cities near Ballycastle:
| Ballina in september | tolerable weather |
| Belmullet in september | tolerable weather |
| Castlebar in september | tolerable weather |
| Streedagh Point in september | tolerable weather |
| Westport in september | tolerable weather |
| Achill Island in september | tolerable weather |
| Sligo in september | tolerable weather |
| Gleann Cholm Cille in september | tolerable weather |
| Ballaghaderreen in september | tolerable weather |
| Killybegs in september | tolerable weather |
| Ballinrobe in september | tolerable weather |
| Bundoran in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Ballycastle
perfect weather
good
tolerable
bad
very bad
Weather data for Ballycastle in september:
Weather data for Ballycastle for september are derived from an average of the weather forecast since 2009 in Ballycastle. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ballycastle 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 Ballycastle.