Llandudno
September
Weather in Llandudno for September 2027
Your guide to Llandudno weather in September - trends and predictions
In general, the average temperature in Llandudno at the beginning of September is 17.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.8 °C by the end of September.
Llandudno in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 139.3 mm.
Is September a good time to visit Llandudno? check out the best time to travel to Llandudno page.
✨ Is September a good time to visit Llandudno? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
16°/10°
Temperatures
23 km/h
Avg max wind
82 %
Avg humidity
Llandudno Weather September
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Temperatures trend during September in Llandudno
See the weather trend as well as the moving average line
September weather in Llandudno day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 18° /11° | 2.9 mm | 3 | |
| 2 Sept. |  Moderate or heavy rain shower | 18° /12° | 5.1 mm | 3 | |
| 3 Sept. | Light rain | 17° /12° | 5.7 mm | 3 | |
| 4 Sept. | Light rain | 16° /11° | 3 mm | 3 | |
| 5 Sept. |  Patchy rain possible | 17° /11° | 1.8 mm | 3 | |
| 6 Sept. | Light rain | 20° /12° | 3.1 mm | 4 | |
| 7 Sept. | Light rain | 19° /13° | 4.2 mm | 3 | |
| 8 Sept. | Light rain | 15° /10° | 5.5 mm | 3 | |
| 9 Sept. | Patchy rain possible | 16° /10° | 2.2 mm | 3 | |
| 10 Sept. | Moderate rain at times | 16° /10° | 5.6 mm | 3 | |
| 11 Sept. |  Moderate rain | 13° /10° | 21.2 mm | 2 | |
| 12 Sept. | Moderate rain | 15° /9° | 18.9 mm | 3 | |
| 13 Sept. | Light rain | 15° /11° | 3.1 mm | 2 | |
| 14 Sept. | Light rain | 17° /12° | 3.7 mm | 4 | |
| 15 Sept. | Light rain | 15° /12° | 4.6 mm | 2 | |
| 16 Sept. | Patchy rain possible | 15° /11° | 1.7 mm | 3 | |
| 17 Sept. | Light rain | 17° /11° | 6.4 mm | 3 | |
| 18 Sept. | Light rain | 17° /11° | 3.5 mm | 3 | |
| 19 Sept. |  Overcast | 18° /12° | 0.8 mm | 3 | |
| 20 Sept. | Light rain | 16° /10° | 7.4 mm | 3 | |
| 21 Sept. | Patchy rain possible | 17° /9° | 2.4 mm | 3 | |
| 22 Sept. | Patchy rain possible | 16° /10° | 1 mm | 3 | |
| 23 Sept. | Light rain | 14° /10° | 2.6 mm | 2 | |
| 24 Sept. | Patchy rain possible | 15° /8° | 0.6 mm | 3 | |
| 25 Sept. | Light rain | 15° /9° | 3.4 mm | 3 | |
| 26 Sept. | Light rain | 15° /9° | 4.3 mm | 3 | |
| 27 Sept. | Light rain | 13° /9° | 4.9 mm | 2 | |
| 28 Sept. | Patchy rain possible | 14° /7° | 0.6 mm | 3 | |
| 29 Sept. | Patchy rain possible | 16° /8° | 1.5 mm | 2 | |
| 30 Sept. | Light rain | 15° /10° | 7.5 mm | 2.8 | |
| Next | |||||
Important Notice
Our weather forecast for Llandudno in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Llandudno forecast closer to your planned date for the most up-to-date weather information.
Change Month
Llandudno in September - FAQ
What are the expected maximum and minimum temperatures in Llandudno during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Llandudno during September?
Significant rainfall exceeding 139.3 mm is expected in Llandudno during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Llandudno during September?
The average wind speed in Llandudno during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Llandudno
Explore the daily rainfall trends and prepare for Llandudnos September weather 💧
Typically, Llandudno has 19 rainy days in September with a total of 139.3 mm of rainfall.
UV exposure in Llandudno during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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