Monaghan in september: average Weather, Temperature and Climate
Weather in Monaghan in september 2025
The weather in Monaghan in september comes from statistical datas on the last 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
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 Monaghan in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Monaghan in september.
The climate of Monaghan in september is bad
The weather in september in Monaghan 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 rainfall over 4 days.
The climate is quite cool around this city the month of september, but it is bearable by dressing cosy. The thermometer averaged maximum of 61°F. On average, the recorded minimum temperature is 49°F. Thus, the mean temperature average in september in Monaghan is 56°F. Note that these seasonal averages are in contrast with those observed in Monaghan in the month of september with a maximum record of 76°F in 2021 and a minimum record of 29°F in 2010. You can hope to have about 5 days with temperatures above 65°F, or 17% of time.
In september in Monaghan, the days on average last 12:43. Sunrise is at 06:01 and sunset is at 18:44.
With an unfavorable weather, this month is not recommended to go in this city.
September: another location in Ireland?
If you want to go to Ireland in september, there are destinations with better weather than Monaghan:
In september, Dublin, Cork, Ardmore, Dalkey Island, Rosslare and Tramore have good weather.
Finally, Galway, Belmullet, Connemara National Park, Dingle, Dundalk and Dungloe have a tolerable climate, but better than Monaghan.
Seasonal average climate and temperature of Monaghan in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month 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 | 06:01 | ||||
| Time of sunset | 18:44 | ||||
| Length of day | 12:43 | ||||
| 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 Monaghan in september 2024:
56°F to 67°F
54°F to 59°F
49°F to 61°F
49°F to 59°F
43°F to 65°F
56°F to 72°F
52°F to 72°F
58°F to 65°F
45°F to 59°F
52°F to 56°F
45°F to 52°F
38°F to 54°F
36°F to 50°F
52°F to 63°F
52°F to 61°F
45°F to 67°F
52°F to 68°F
47°F to 67°F
47°F to 68°F
47°F to 67°F
50°F to 65°F
49°F to 65°F
47°F to 63°F
47°F to 54°F
43°F to 54°F
47°F to 49°F
47°F to 52°F
43°F to 54°F
45°F to 54°F
49°F to 52°F
Map: other cities in Ireland in september
Cities near Monaghan:
| Cavan in september | bad weather |
| Dundalk in september | tolerable weather |
| Navan in september | tolerable weather |
| Drogheda in september | good weather |
| Laytown in september | good weather |
| Longford in september | tolerable weather |
| Ballybofey in september | bad weather |
| Ballyshannon in september | tolerable weather |
| Donegal in september | tolerable weather |
| Balbriggan in september | good weather |
| Bundoran in september | tolerable weather |
| Letterkenny in september | bad weather |
Click over cities on the map for information about the weather in september.
Monaghan
perfect weather
good
tolerable
bad
very bad
Weather data for Monaghan in september:
Weather data for Monaghan for september are derived from an average of the weather forecast since 2009 in Monaghan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Monaghan 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 Monaghan.