Armagh in september: average Weather, Temperature and Climate
Weather in Armagh in september 2025
The weather in Armagh 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
bad weather
Weather at 6am
50°F
Fog
49% of time
24%
11%
8%
Weather at 12pm
59°F
Cloudy
44% of time
24%
14%
10%
Weather at 6pm
56°F
Cloudy
27% of time
26%
18%
17%
Weather at 3am
50°F
43%
16%
14%
12%
Evolution of daily average temperature and precipitation in Armagh in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Armagh in september.
The climate of Armagh in september is bad
The weather in september in Armagh is wet (with 2.2in of precipitation over 3 days). This is better than the previous month since in august it receives an average of 3.3in of precipitation over 4 days.
The climate is rather cool in that locality september, but it is liveable when dressing hot. Temperatures are up to 61°F. On average, the recorded minimum temperature is 49°F. Thus, the mean temperature average in september in Armagh is 56°F. Note that seasonal normals are in contrast with those observed in Armagh in september with a maximum record of 76°F in 2021 and a minimum record of 29°F in 2010. You can expect to have about 5 days with temperatures above 65°F, or 17% of time.
On this month of september, day length in Armagh is generally 12:42. Sunrise is at 06:00 and sets at 18:42.
With a bad climate, september is not the best time 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 Armagh:
In september, Donwpatrick, Larne, Annalong, Bangor, Carrickfergus and Dundrum have good weather.
Finally, Belfast, Ballycastle (Causeway Coast), Derry (Londonderry), Antrim, Ballyclare and Ballymena have a tolerable climate, but better than Armagh.
Seasonal average climate and temperature of Armagh in september
Check below seasonal norms These datas are set from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 49°F | ||||
| Highest record temperature | 76°F (2021) | ||||
| Lowest record temperature | 29°F (2010) | ||||
| Number of days at +65°F | 5 day(s) (17%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 47°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.2in | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 1in (2019) | ||||
| Other climate data | |||||
| Humidity | 97% | ||||
| Visibility | 7.09km | ||||
| Cloud cover | 68% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:00 | ||||
| Time of sunset | 18:42 | ||||
| Length of day | 12:42 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Armagh 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 Armagh:
| Portadown in september | tolerable weather |
| Dungannon in september | tolerable weather |
| Craigavon in september | tolerable weather |
| Banbridge in september | tolerable weather |
| Newry in september | tolerable weather |
| Cookstown in september | tolerable weather |
| Warrenpoint in september | tolerable weather |
| Lisburn in september | tolerable weather |
| Magherafelt in september | tolerable weather |
| Antrim in september | tolerable weather |
| Omagh in september | bad weather |
| Newcastle in september | good weather |
Click over cities on the map for information about the weather in september.
Armagh
perfect weather
good
tolerable
bad
very bad
Weather data for Armagh in september:
Weather data for Armagh for september are derived from an average of the weather forecast since 2009 in Armagh. There is a margin of error and these forecasts are to be considered as general information only. The weather in Armagh 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 Armagh.