Ballymena in september: average Weather, Temperature and Climate
Weather in Ballymena in september 2025
The weather in Ballymena in the month of september comes from statistical datas on the past 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
52°F
Cloudy
37% of time
22%
21%
15%
Weather at 12pm
59°F
Cloudy
48% of time
27%
14%
6%
Weather at 6pm
56°F
Cloudy
34% of time
27%
18%
15%
Weather at 3am
52°F
23%
21%
17%
16%
Evolution of daily average temperature and precipitation in Ballymena in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ballymena in september.
The climate of Ballymena in september is tolerable
The climate in september in Ballymena is wet (with 1.9in of rainfall over 2 days). It should be noted an improvement from the previous month since in august it receives an average of 2.8in of rainfall over 4 days.
The climate is relatively fresh here the month of september, but it is livable by dressing hot. The high seasonal norm is 61°F. The seasonal minimum is 52°F. Thus, the mean temperature average on this month of september in Ballymena is 56°F. Note that seasonal normals in contrast with those observed in Ballymena in september with a maximum record of 76°F in 2021 and a minimum record of 36°F in 2010. You can plan to have about 5 days with temperatures up to 65°F, or 17% of time.
On average, in Ballymena, the days of september last 12:43. Sunrise is at 05:58 and sets at 18:41.
With a correct climate, this month is okay (but not the best) to go there.
September: another location in Northern Ireland?
If you want to go to Northern Ireland in september, there are destinations with better weather than Ballymena:
In september, Donwpatrick, Larne, Annalong, Bangor, Carrickfergus and Dundrum have good weather.
Seasonal average climate and temperature of Ballymena in september
Check below seasonal norms These statistics are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 76°F (2021) | ||||
| Lowest record temperature | 36°F (2010) | ||||
| Number of days at +65°F | 5 day(s) (17%) | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.9in | ||||
| Number of days with rainfall | 2 day(s) (8%) | ||||
| Record daily rainfall | 0.9in (2010) | ||||
| Other climate data | |||||
| Humidity | 94% | ||||
| Visibility | 8.65km | ||||
| Cloud cover | 60% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:58 | ||||
| Time of sunset | 18:41 | ||||
| Length of day | 12:43 | ||||
| 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 Ballymena in september 2024:
56°F to 63°F
56°F to 59°F
50°F to 59°F
50°F to 58°F
47°F to 63°F
56°F to 70°F
54°F to 70°F
56°F to 61°F
49°F to 59°F
49°F to 56°F
47°F to 52°F
47°F to 54°F
40°F to 52°F
50°F to 63°F
50°F to 61°F
47°F to 65°F
56°F to 68°F
50°F to 65°F
50°F to 67°F
50°F to 65°F
50°F to 65°F
50°F to 65°F
49°F to 58°F
50°F to 54°F
47°F to 52°F
47°F to 49°F
47°F to 52°F
45°F to 56°F
47°F to 56°F
49°F to 50°F
Map: other cities in Northern Ireland in september
Cities near Ballymena:
| Antrim in september | tolerable weather |
| Ballyclare in september | tolerable weather |
| Magherafelt in september | tolerable weather |
| Glenariff in september | tolerable weather |
| Maghera in september | tolerable weather |
| Ballymoney in september | tolerable weather |
| Larne in september | good weather |
| Newtownabbey in september | tolerable weather |
| Carrickfergus in september | good weather |
| Belfast in september | tolerable weather |
| Holywood in september | tolerable weather |
| Ballycastle (Causeway Coast) in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Ballymena
perfect weather
good
tolerable
bad
very bad
Weather data for Ballymena in september:
Weather data for Ballymena for september are derived from an average of the weather forecast since 2009 in Ballymena. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ballymena 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 Ballymena.