Cobh in september: average Weather, Temperature and Climate
Weather in Cobh in september 2025
The weather in Cobh 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 navigating through 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
26% of time
22%
21%
13%
Weather at 12pm
61°F
Cloudy
29% of time
28%
21%
19%
Weather at 6pm
59°F
Partly Cloudy
27% of time
27%
25%
15%
Weather at 3am
54°F
26%
22%
18%
14%
Evolution of daily average temperature and precipitation in Cobh in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cobh in september.
The climate of Cobh in september is good
The climate in september in Cobh is quite dry (with 3.9in of rainfall over 5 days). This is better than the previous month since in august it receives an average of 4.9in of precipitation over 7 days.
The climate is fairly cool in this location september, but it is tolerable when dressing cosy. The high seasonal norm is 63°F. On average, the recorded minimum temperature is 54°F. Thus, the mean temperature average on this month of september in Cobh is 58°F. Note that these seasonal averages are in contrast with those observed in Cobh in the month of september with a maximum record of 74°F in 2021 and a minimum record of 40°F in 2010. You can plan to have about 7 days with temperatures over 65°F, or 23% of time.
Day length in Cobh in september is 12:39. The sun rises at 06:08 and sunset is at 18:47.
With a correct weather, this month is okay (but not the best) to go in this city in Ireland.
Seasonal average climate and temperature of Cobh in september
Check below seasonal norms These statistics are compiled from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 63°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 74°F (2021) | ||||
| Lowest record temperature | 40°F (2010) | ||||
| Number of days at +65°F | 7 day(s) (23%) | ||||
| Sea temperature | |||||
| Average sea temperature | 61°F | ||||
| Lowest sea temperature | 58°F | ||||
| Highest sea temperature | 63°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 5 day(s) (17%) | ||||
| Record daily rainfall | 1.8in (2017) | ||||
| Other climate data | |||||
| Humidity | 93% | ||||
| Visibility | 8.82km | ||||
| Cloud cover | 52% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:08 | ||||
| Time of sunset | 18:47 | ||||
| Length of day | 12:39 | ||||
| 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 Cobh in september 2024:
50°F to 68°F
54°F to 59°F
52°F to 65°F
54°F to 59°F
43°F to 63°F
58°F to 74°F
54°F to 70°F
56°F to 68°F
47°F to 61°F
54°F to 58°F
49°F to 56°F
41°F to 56°F
36°F to 54°F
50°F to 65°F
58°F to 65°F
49°F to 68°F
49°F to 70°F
47°F to 70°F
49°F to 70°F
50°F to 70°F
49°F to 68°F
54°F to 58°F
50°F to 67°F
50°F to 59°F
45°F to 58°F
45°F to 49°F
45°F to 52°F
41°F to 58°F
50°F to 54°F
50°F to 59°F
Map: other cities in Ireland in september
Cities near Cobh:
| Crosshaven in september | good weather |
| Cork in september | good weather |
| Kinsale in september | good weather |
| Youghal in september | good weather |
| Mallow in september | good weather |
| Ardmore in september | good weather |
| Clonakilty in september | good weather |
| Dungarvan in september | good weather |
| Lisvarrinane in september | tolerable weather |
| Skibbereen in september | good weather |
| Cashel in september | tolerable weather |
| Newcastle West in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Cobh
perfect weather
good
tolerable
bad
very bad
Weather data for Cobh in september:
Weather data for Cobh for september are derived from an average of the weather forecast since 2009 in Cobh. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cobh 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 Cobh.