Holyhead
September
Weather in Holyhead for September 2026
Your guide to Holyhead weather in September - trends and predictions
Until now, September 2026 in Holyhead has been nearly identical to the historical average, with a temperature of 16.3 °C (showing only a slight deviation of 0.1 °C).
The forecast for the next days in Holyhead predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Holyhead at the beginning of September is 17.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.9 °C by the end of September.
Holyhead in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 172.9 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
10
Dry days
20
Rainy days
0
Snow days
15°/12°
Temperatures
32 km/h
Avg max wind
79 %
Avg humidity
Holyhead Weather September
Move between months or click on a day
Temperatures trend during September in Holyhead
See the weather trend as well as the moving average line
September weather in Holyhead day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 17° /13° | 6.4 mm | 2 | |
| 2 Sept. | Patchy rain possible | 17° /13° | 5.8 mm | 2 | |
| 3 Sept. | Light rain shower | 17° /14° | 7.6 mm | 1 | |
| 4 Sept. | Patchy rain possible | 17° /13° | 2.2 mm | 2 | |
| 5 Sept. | Patchy rain possible | 15° /12° | 0.1 mm | 3 | |
| 6 Sept. | Patchy rain possible | 19° /13° | 1.4 mm | 2 | |
| 7 Sept. | Light rain shower | 18° /13° | 16.5 mm | 2 | |
| 8 Sept. | Patchy rain possible | 15° /12° | 3 mm | 2 | |
| 9 Sept. | Patchy rain possible | 16° /12° | 0.5 mm | 2 | |
| 10 Sept. |  Moderate or heavy rain with thunder | 16° /13° | 8.5 mm | 1 | |
| 11 Sept. | Light rain shower | 15° /12° | 2.8 mm | 2 | |
| 12 Sept. | Light rain shower | 16° /12° | 11.3 mm | 1 | |
| 13 Sept. | Light rain shower | 16° /12° | 4.1 mm | 2 | |
| 14 Sept. | Light rain shower | 17° /13° | 6.1 mm | 1 | |
| 15 Sept. | Light rain shower | 15° /13° | 4.2 mm | 1 | |
| 16 Sept. | Light rain shower | 15° /12° | 0.9 mm | 1 | |
| 17 Sept. | Patchy rain possible | 16° /12° | 12.2 mm | 2 | |
| 18 Sept. | Light rain shower | 16° /13° | 9.5 mm | 1 | |
| 19 Sept. | Light rain shower | 17° /13° | 5.6 mm | 0 | |
| 20 Sept. |  Overcast | 14° /12° | 0 mm | 3.3 | |
| 21 Sept. |  Partly cloudy | 17° /13° | 0 mm | 3.4 | |
| 22 Sept. | Patchy rain possible | 17° /15° | 0.1 mm | 2.9 | |
| 23 Sept. | Patchy rain possible | 16° /10° | 0.8 mm | 2.8 | |
| 24 Sept. |  Sunny | 17° /10° | 0 mm | 5 | |
| 25 Sept. | Sunny | 20° /14° | 0 mm | 5 | |
| 26 Sept. | Overcast | 18° /13° | 0.1 mm | 5 | |
| 27 Sept. | Overcast | 18° /13° | 0 mm | 4 | |
| 28 Sept. | Sunny | 20° /13° | 0 mm | 5 | |
| 29 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 30 Sept. | Overcast | 18° /16° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Holyhead 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 Holyhead forecast closer to your planned date for the most up-to-date weather information.
Change Month
Holyhead in September - FAQ
What are the expected maximum and minimum temperatures in Holyhead during September?
During September, expect a variety of temperatures with highs around 15° and lows near 12°, suitable for diverse activities and preferences.
How much rainfall should be expected in Holyhead during September?
Significant rainfall exceeding 172.9 mm is expected in Holyhead during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Holyhead during September?
The average wind speed in Holyhead during September is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Holyhead
Explore the daily rainfall trends and prepare for Holyheads September weather 💧
Typically, Holyhead has 20 rainy days in September with a total of 172.9 mm of rainfall.
UV exposure in Holyhead during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Holyhead weather pages
You are here
Where is Holyhead?Get accurate weather forecasts for Holyhead, located at latitude 53.306 and longitude -4.632. Stay updated with localized weather information tailored for Holyhead.
Found a mistake?
We appreciate your attention to details. Tell us here.