Llandudno in september: average Weather, Temperature and Climate
Weather in Llandudno in september 2025
The weather in Llandudno in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire 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
27% of time
25%
20%
18%
Weather at 12pm
61°F
Moderate rain at times
27% of time
24%
22%
20%
Weather at 6pm
58°F
Partly Cloudy
31% of time
25%
24%
15%
Weather at 3am
54°F
28%
26%
20%
17%
Evolution of daily average temperature and precipitation in Llandudno in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Llandudno in september.
The climate of Llandudno in september is good
The climate in september in Llandudno is wet (with 4.4in of rainfall over 8 days). The weather is better from the previous month since in august it receives an average of 4.8in of rainfall over 7 days.
The climate is fairly fresh in that area the month of september, but it is livable by dressing cosy. Temperatures are up to 61°F. The seasonal minimum is 54°F. Thus, the mean temperature average on this month of september in Llandudno is 58°F. Note that these seasonal averages are in contrast with those observed in Llandudno in september with a maximum record of 76°F in 2021 and a minimum record of 41°F in 2012. You can hope to have about 6 days with temperatures above 65°F, or 20% of time.
In september in Llandudno, the days on average last 12:41. The sun rises at 05:49 and sets at 18:30.
With a correct weather, september is okay (but not good) to go in that area in Wales.
Seasonal average climate and temperature of Llandudno 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 | 61°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 76°F (2021) | ||||
| Lowest record temperature | 41°F (2012) | ||||
| Number of days at +65°F | 6 day(s) (20%) | ||||
| Sea temperature | |||||
| Average sea temperature | 61°F | ||||
| Lowest sea temperature | 60°F | ||||
| Highest sea temperature | 63°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.4in | ||||
| Number of days with rainfall | 8 day(s) (25%) | ||||
| Record daily rainfall | 1.8in (2012) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.18km | ||||
| Cloud cover | 53% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:49 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 12:41 | ||||
| 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 Llandudno in september 2024:
56°F to 68°F
59°F to 65°F
50°F to 61°F
50°F to 58°F
52°F to 61°F
58°F to 72°F
59°F to 68°F
56°F to 59°F
54°F to 58°F
54°F to 58°F
49°F to 52°F
47°F to 52°F
47°F to 58°F
50°F to 61°F
58°F to 59°F
50°F to 63°F
52°F to 67°F
49°F to 67°F
50°F to 67°F
54°F to 63°F
54°F to 67°F
56°F to 61°F
54°F to 58°F
52°F to 58°F
49°F to 56°F
52°F to 54°F
50°F to 52°F
47°F to 54°F
45°F to 54°F
50°F to 54°F
Map: other cities in Wales in september
Cities near Llandudno:
| Conwy in september | good weather |
| Snowdonia National Park in september | tolerable weather |
| Amlwch in september | good weather |
| Buckley in september | good weather |
| Holyhead in september | good weather |
| Barmouth in september | tolerable weather |
| Newtown in september | tolerable weather |
| Aberystwyth in september | good weather |
| Llandrindod Wells in september | tolerable weather |
| Brecon Beacons (National Park) in september | tolerable weather |
| Carmarthen in september | good weather |
| Fishguard in september | good weather |
Click over cities on the map for information about the weather in september.
Llandudno
perfect weather
good
tolerable
bad
very bad
Weather data for Llandudno in september:
Weather data for Llandudno for september are derived from an average of the weather forecast since 2009 in Llandudno. There is a margin of error and these forecasts are to be considered as general information only. The weather in Llandudno 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 Llandudno.