Pembrokeshire (Tenby)
September
Weather in Pembrokeshire for September 2026
Your guide to Pembrokeshire weather in September - trends and predictions
In general, the average temperature in Pembrokeshire at the beginning of September is 17.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14 °C by the end of September.
The climate of Pembrokeshire in September is notably wet, with an average of 13 rainy days, and a total of 200.6 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
13
Rainy days
0
Snow days
16°/12°
Temperatures
25 km/h
Avg max wind
80 %
Avg humidity
Pembrokeshire Weather September
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Temperatures trend during September in Pembrokeshire
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September weather in Pembrokeshire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 19° /14° | 4.4 mm | 5 | |
| 2 Sept. |  Moderate or heavy rain shower | 18° /13° | 5.2 mm | 4 | |
| 3 Sept. | Patchy rain possible | 17° /13° | 6.8 mm | 4 | |
| 4 Sept. | Patchy rain possible | 15° /12° | 3.3 mm | 4 | |
| 5 Sept. | Moderate or heavy rain shower | 17° /11° | 7.8 mm | 4 | |
| 6 Sept. | Moderate rain at times | 20° /15° | 19 mm | 5 | |
| 7 Sept. |  Heavy rain at times | 19° /13° | 6.8 mm | 4 | |
| 8 Sept. | Moderate or heavy rain shower | 17° /13° | 15.5 mm | 4 | |
| 9 Sept. |  Overcast | 15° /12° | 2.6 mm | 4 | |
| 10 Sept. | Patchy rain possible | 16° /12° | 3.3 mm | 4 | |
| 11 Sept. | Patchy rain possible | 14° /11° | 3.5 mm | 3 | |
| 12 Sept. | Patchy rain possible | 14° /10° | 6.6 mm | 4 | |
| 13 Sept. | Overcast | 14° /9° | 6.7 mm | 4 | |
| 14 Sept. |  Cloudy | 16° /12° | 16.7 mm | 4 | |
| 15 Sept. | Moderate rain at times | 15° /13° | 3.5 mm | 4 | |
| 16 Sept. |  Sunny | 16° /12° | 0.8 mm | 5 | |
| 17 Sept. | Sunny | 17° /12° | 5.2 mm | 5 | |
| 18 Sept. | Sunny | 18° /13° | 0.4 mm | 5 | |
| 19 Sept. | Overcast | 18° /13° | 0 mm | 4 | |
| 20 Sept. | Overcast | 17° /12° | 6.5 mm | 4 | |
| 21 Sept. | Moderate or heavy rain shower | 15° /10° | 4.2 mm | 4 | |
| 22 Sept. | Moderate or heavy rain shower | 15° /10° | 9.6 mm | 4 | |
| 23 Sept. | Overcast | 15° /10° | 0.4 mm | 4 | |
| 24 Sept. | Overcast | 14° /11° | 0.1 mm | 3 | |
| 25 Sept. | Moderate or heavy rain shower | 14° /10° | 4.1 mm | 4 | |
| 26 Sept. | Heavy rain at times | 14° /10° | 11.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 13° /10° | 2.8 mm | 3 | |
| 28 Sept. | Patchy rain possible | 14° /9° | 0.1 mm | 4 | |
| 29 Sept. | Moderate or heavy rain shower | 14° /10° | 18.4 mm | 4 | |
| 30 Sept. | Patchy rain possible | 15° /11° | 0.7 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.
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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 200.6 mm is expected in Pembrokeshire during September, occurring over more than 13 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 25 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 13 rainy days in September with a total of 200.6 mm of rainfall.
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