Pembrokeshire (Tenby)
September
Weather in Pembrokeshire for September 2026
Your guide to Pembrokeshire weather in September - trends and predictions
Until now, September 2026 in Pembrokeshire has been nearly identical to the historical average, with a temperature of 17.2 °C (showing only a slight deviation of 0.4 °C).
The forecast for the next days in Pembrokeshire predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Pembrokeshire at the beginning of September is 18 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.6 °C by the end of September.
Pembrokeshire experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 176 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
16°/12°
Temperatures
29 km/h
Avg max wind
80 %
Avg humidity
Pembrokeshire Weather September
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Temperatures trend during September in Pembrokeshire
See the weather trend as well as the moving average line
September weather in Pembrokeshire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 19° /14° | 3.3 mm | 3 | |
| 2 Sept. |  Moderate or heavy rain shower | 18° /14° | 4.6 mm | 3 | |
| 3 Sept. | Patchy rain possible | 18° /14° | 4.7 mm | 3 | |
| 4 Sept. | Patchy rain possible | 16° /13° | 2.5 mm | 3 | |
| 5 Sept. | Moderate or heavy rain shower | 17° /12° | 5.2 mm | 3 | |
| 6 Sept. | Moderate rain at times | 20° /14° | 14.6 mm | 4 | |
| 7 Sept. |  Heavy rain at times | 18° /13° | 5.6 mm | 3 | |
| 8 Sept. | Moderate or heavy rain shower | 17° /12° | 12.8 mm | 3 | |
| 9 Sept. |  Overcast | 15° /12° | 1.9 mm | 3 | |
| 10 Sept. | Patchy rain possible | 16° /12° | 3.6 mm | 3 | |
| 11 Sept. | Patchy rain possible | 15° /11° | 2.5 mm | 3 | |
| 12 Sept. | Patchy rain possible | 15° /11° | 6.8 mm | 3 | |
| 13 Sept. | Overcast | 15° /11° | 7 mm | 3 | |
| 14 Sept. |  Cloudy | 17° /13° | 11.8 mm | 3 | |
| 15 Sept. | Moderate rain at times | 16° /13° | 3.2 mm | 3 | |
| 16 Sept. | Patchy rain possible | 16° /12° | 0.7 mm | 3 | |
| 17 Sept. |  Sunny | 17° /12° | 4.3 mm | 3 | |
| 18 Sept. | Sunny | 18° /13° | 1.1 mm | 3 | |
| 19 Sept. | Overcast | 18° /13° | 0 mm | 4 | |
| 20 Sept. | Overcast | 17° /11° | 0 mm | 3.5 | |
| 21 Sept. | Sunny | 20° /11° | 0 mm | 3.9 | |
| 22 Sept. | Sunny | 20° /13° | 0 mm | 3.7 | |
| 23 Sept. | Overcast | 17° /10° | 0.1 mm | 3.1 | |
| 24 Sept. | Sunny | 17° /10° | 0 mm | 5 | |
| 25 Sept. | Sunny | 19° /14° | 0 mm | 5 | |
| 26 Sept. | Overcast | 21° /14° | 0 mm | 6 | |
| 27 Sept. | Overcast | 19° /13° | 0 mm | 5 | |
| 28 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 29 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 30 Sept. | Overcast | 19° /15° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Pembrokeshire 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 Pembrokeshire forecast closer to your planned date for the most up-to-date weather information.
Change Month
Pembrokeshire in September - FAQ
What are the expected maximum and minimum temperatures in Pembrokeshire during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Pembrokeshire during September?
Significant rainfall exceeding 176 mm is expected in Pembrokeshire during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pembrokeshire during September?
The average wind speed in Pembrokeshire during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Pembrokeshire
Explore the daily rainfall trends and prepare for Pembrokeshires September weather 💧
Typically, Pembrokeshire has 23 rainy days in September with a total of 176 mm of rainfall.
UV exposure in Pembrokeshire during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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