Carrickfergus in september: average Weather, Temperature and Climate
Weather in Carrickfergus in september 2025
The weather in Carrickfergus in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
54°F
Partly Cloudy
30% of time
30%
22%
12%
Weather at 12pm
59°F
Cloudy
39% of time
32%
19%
9%
Weather at 6pm
58°F
Partly Cloudy
35% of time
28%
21%
14%
Weather at 3am
54°F
29%
25%
19%
17%
Evolution of daily average temperature and precipitation in Carrickfergus in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Carrickfergus in september.
The climate of Carrickfergus in september is good
In september in Carrickfergus, the climate is wet (with 2.8in of precipitation over 4 days). This is better than the previous month since in august it receives an average of 3.9in of rainfall over 6 days.
The climate is rather fresh in this city this month, but it is endurable by dressing hot. The high seasonal norm is 61°F. In the morning the temperature drops to 54°F. Thus, the mean temperature average on this month of september in Carrickfergus is 58°F. Note that seasonal normals in contrast with those observed in Carrickfergus in the month of september with a maximum record of 68°F in 2016 and a minimum record of 43°F in 2012. You can expect to have about 2 days with temperatures over 65°F, or 7% of time.
On this month of september, day length in Carrickfergus is generally 12:43. Sunrise is at 05:56 and sets at 18:39.
With a correct climate, september is okay (but not the best) to go in this city in North Ireland.
Seasonal average climate and temperature of Carrickfergus in september
Check below seasonal norms These datas are set from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 68°F (2016) | ||||
| Lowest record temperature | 43°F (2012) | ||||
| Number of days at +65°F | 2 day(s) (7%) | ||||
| Sea temperature | |||||
| Average sea temperature | 58°F | ||||
| Lowest sea temperature | 57°F | ||||
| Highest sea temperature | 59°F | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.8in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 1.3in (2013) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.32km | ||||
| Cloud cover | 53% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:56 | ||||
| Time of sunset | 18:39 | ||||
| Length of day | 12:43 | ||||
| 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 Carrickfergus in september 2024:
56°F to 61°F
58°F to 61°F
50°F to 59°F
50°F to 58°F
52°F to 61°F
58°F to 65°F
56°F to 63°F
58°F to 63°F
52°F to 59°F
52°F to 56°F
49°F to 54°F
49°F to 54°F
43°F to 54°F
54°F to 63°F
56°F to 61°F
50°F to 61°F
56°F to 63°F
54°F to 59°F
54°F to 61°F
54°F to 61°F
54°F to 61°F
54°F to 61°F
52°F to 59°F
52°F to 58°F
49°F to 52°F
50°F to 52°F
49°F to 52°F
45°F to 54°F
50°F to 56°F
50°F to 52°F
Map: other cities in Northern Ireland in september
Cities near Carrickfergus:
| Holywood in september | tolerable weather |
| Newtownabbey in september | tolerable weather |
| Bangor in september | good weather |
| Ballyclare in september | tolerable weather |
| Belfast in september | tolerable weather |
| Newtownards in september | good weather |
| Larne in september | good weather |
| Castlereagh in september | tolerable weather |
| Donaghadee in september | tolerable weather |
| Millisle in september | tolerable weather |
| Antrim in september | tolerable weather |
| Lisburn in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Carrickfergus
perfect weather
good
tolerable
bad
very bad
Weather data for Carrickfergus in september:
Weather data for Carrickfergus for september are derived from an average of the weather forecast since 2009 in Carrickfergus. There is a margin of error and these forecasts are to be considered as general information only. The weather in Carrickfergus 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 Carrickfergus.