Rosslare in september: average Weather, Temperature and Climate
Weather in Rosslare in september 2025
The weather in Rosslare in the month of september comes from statistical datas on the last 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
good weather
Weather at 6am
58°F
Clear/Sunny
31% of time
28%
17%
16%
Weather at 12pm
61°F
Partly Cloudy
30% of time
28%
19%
16%
Weather at 6pm
59°F
Partly Cloudy
30% of time
30%
21%
13%
Weather at 3am
58°F
32%
29%
18%
14%
Evolution of daily average temperature and precipitation in Rosslare in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rosslare in september.
The climate of Rosslare in september is good
In september in Rosslare, the climate is relatively dry (with 3.9in of rainfall over 5 days). This is better than the previous month since in august it receives an average of 5.1in of precipitation over 7 days.
The climate is relatively cold in that locality the month of september, but it is endurable when dressing hot. The thermometer averaged maximum of 61°F. In the morning the temperature drops to 58°F. Thus, the mean temperature average on this month of september in Rosslare is 59°F. Note that seasonal normals are in contrast with those observed in Rosslare in september with a maximum record of 67°F in 2013 and a minimum record of 45°F in 2020. You can hope to have about 2 days with temperatures up to 65°F, or 7% of the month.
On average, in Rosslare, the days of september last 12:40. The sun rises at 06:00 and sunset is at 18:40.
With proper weather, september is okay (but not the best) to go in Rosslare in Ireland.
Seasonal average climate and temperature of Rosslare in september
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 67°F (2013) | ||||
| Lowest record temperature | 45°F (2020) | ||||
| Number of days at +65°F | 2 day(s) (7%) | ||||
| Sea temperature | |||||
| Average sea temperature | 60°F | ||||
| Lowest sea temperature | 59°F | ||||
| Highest sea temperature | 61°F | ||||
| Wind | |||||
| Wind speed | 28km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 5 day(s) (18%) | ||||
| Record daily rainfall | 2.2in (2010) | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 9.27km | ||||
| Cloud cover | 45% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:00 | ||||
| Time of sunset | 18:40 | ||||
| Length of day | 12:40 | ||||
| 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 Rosslare in september 2024:
61°F to 63°F
58°F to 61°F
52°F to 63°F
52°F to 58°F
54°F to 59°F
59°F to 63°F
59°F to 63°F
59°F to 65°F
50°F to 63°F
56°F to 59°F
52°F to 58°F
49°F to 56°F
47°F to 58°F
58°F to 59°F
59°F to 61°F
58°F to 61°F
58°F to 61°F
58°F to 59°F
59°F to 61°F
59°F to 59°F
58°F to 59°F
59°F to 61°F
58°F to 59°F
50°F to 56°F
50°F to 54°F
50°F to 54°F
49°F to 56°F
49°F to 56°F
54°F to 56°F
54°F to 59°F
Map: other cities in Ireland in september
Cities near Rosslare:
| Wexford in september | good weather |
| Enniscorthy in september | good weather |
| Waterford in september | good weather |
| Tramore in september | good weather |
| Arklow in september | good weather |
| Kilkenny in september | tolerable weather |
| Carlow in september | tolerable weather |
| Wicklow in september | good weather |
| Dungarvan in september | good weather |
| Wicklow Mountains National Park in september | tolerable weather |
| Ardmore in september | good weather |
| Greystones in september | good weather |
Click over cities on the map for information about the weather in september.
Rosslare
perfect weather
good
tolerable
bad
very bad
Weather data for Rosslare in september:
Weather data for Rosslare for september are derived from an average of the weather forecast since 2009 in Rosslare. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rosslare 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 Rosslare.