Westport in september: average Weather, Temperature and Climate
Weather in Westport in september 2025
The weather in Westport in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather
Weather at 6am
54°F
Cloudy
41% of time
22%
20%
8%
Weather at 12pm
59°F
Cloudy
52% of time
27%
12%
6%
Weather at 6pm
58°F
Cloudy
41% of time
30%
19%
5%
Weather at 3am
54°F
28%
19%
18%
16%
Evolution of daily average temperature and precipitation in Westport in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Westport in september.
The climate of Westport in september is tolerable
The climate in september in Westport is wet (with 2.4in of precipitation over 3 days). This is better than the previous month since in august it receives an average of 3.1in of precipitation over 4 days.
The climate is rather fresh around this city september, but it is liveable when dressing cosy. 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 Westport is 58°F. Note that these seasonal averages are in contrast with those observed in Westport in the month of september with a maximum record of 76°F in 2021 and a minimum record of 40°F in 2020. You can expect to have about 4 days with temperatures over 65°F, or 13% of time.
Day length in Westport in september is 12:43. Sunrise is at 06:11 and sets at 18:54.
With a correct weather, september is okay (but not the best) to go in Westport.
September: another location in Ireland?
If you want to go to Ireland in september, there are destinations with better weather than Westport:
In september, Dublin, Cork, Ardmore, Dalkey Island, Rosslare and Tramore have good weather.
Seasonal average climate and temperature of Westport in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 76°F (2021) | ||||
| Lowest record temperature | 40°F (2020) | ||||
| Number of days at +65°F | 4 day(s) (13%) | ||||
| Sea temperature | |||||
| Average sea temperature | 59°F | ||||
| Lowest sea temperature | 56°F | ||||
| Highest sea temperature | 62°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.4in | ||||
| Number of days with rainfall | 3 day(s) (11%) | ||||
| Record daily rainfall | 1.5in (2015) | ||||
| Other climate data | |||||
| Humidity | 93% | ||||
| Visibility | 8.55km | ||||
| Cloud cover | 65% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:11 | ||||
| Time of sunset | 18:54 | ||||
| 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 Westport in september 2024:
49°F to 67°F
54°F to 58°F
56°F to 59°F
52°F to 58°F
45°F to 63°F
52°F to 72°F
54°F to 70°F
58°F to 61°F
47°F to 58°F
50°F to 56°F
49°F to 54°F
41°F to 54°F
41°F to 56°F
56°F to 59°F
52°F to 63°F
49°F to 59°F
52°F to 68°F
49°F to 67°F
47°F to 68°F
50°F to 68°F
50°F to 67°F
50°F to 65°F
52°F to 59°F
52°F to 56°F
43°F to 54°F
45°F to 50°F
47°F to 52°F
43°F to 56°F
45°F to 54°F
50°F to 58°F
Map: other cities in Ireland in september
Cities near Westport:
| Castlebar in september | tolerable weather |
| Ballinrobe in september | tolerable weather |
| Achill Island in september | tolerable weather |
| Connemara National Park in september | tolerable weather |
| Ballina in september | tolerable weather |
| Oughterard in september | tolerable weather |
| Tuam in september | tolerable weather |
| Ballycastle in september | tolerable weather |
| Belmullet in september | tolerable weather |
| Ballaghaderreen in september | tolerable weather |
| Galway in september | tolerable weather |
| Aran Islands in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Westport
perfect weather
good
tolerable
bad
very bad
Weather data for Westport in september:
Weather data for Westport for september are derived from an average of the weather forecast since 2009 in Westport. There is a margin of error and these forecasts are to be considered as general information only. The weather in Westport 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 Westport.