Dumfries and Galloway (Stranraer)
September
Weather in Dumfries and Galloway for September 2026
Your guide to Dumfries and Galloway weather in September - trends and predictions
In general, the average temperature in Dumfries and Galloway at the beginning of September is 16.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.7 °C by the end of September.
Dumfries and Galloway experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 143.3 mm.
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Temperatures
Rain 🌧️
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8
Dry days
22
Rainy days
0
Snow days
14°/10°
Temperatures
29 km/h
Avg max wind
80 %
Avg humidity
Dumfries and Galloway Weather September
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Temperatures trend during September in Dumfries and Galloway
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September weather in Dumfries and Galloway day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 16° /11° | 4 mm | 4 | |
| 2 Sept. |  Moderate or heavy rain shower | 15° /11° | 7.5 mm | 4 | |
| 3 Sept. | Moderate rain at times | 14° /11° | 12.1 mm | 3 | |
| 4 Sept. | Moderate or heavy rain shower | 14° /10° | 7.1 mm | 4 | |
| 5 Sept. |  Cloudy | 16° /10° | 0 mm | 4 | |
| 6 Sept. |  Sunny | 20° /13° | 0.3 mm | 5 | |
| 7 Sept. | Patchy rain possible | 19° /13° | 12.1 mm | 5 | |
| 8 Sept. | Cloudy | 15° /11° | 0.3 mm | 4 | |
| 9 Sept. | Moderate rain at times | 14° /11° | 1.9 mm | 4 | |
| 10 Sept. | Moderate or heavy rain shower | 14° /9° | 13.4 mm | 3 | |
| 11 Sept. | Moderate or heavy rain shower | 12° /10° | 9.5 mm | 3 | |
| 12 Sept. | Patchy rain possible | 13° /10° | 3.6 mm | 3 | |
| 13 Sept. | Patchy rain possible | 12° /9° | 3.7 mm | 3 | |
| 14 Sept. | Patchy rain possible | 15° /10° | 6.1 mm | 4 | |
| 15 Sept. | Patchy rain possible | 15° /11° | 5.2 mm | 4 | |
| 16 Sept. | Cloudy | 15° /10° | 3 mm | 4 | |
| 17 Sept. |  Partly cloudy | 17° /11° | 7.3 mm | 5 | |
| 18 Sept. | Sunny | 17° /12° | 4.4 mm | 5 | |
| 19 Sept. | Partly cloudy | 17° /11° | 4.6 mm | 5 | |
| 20 Sept. | Cloudy | 15° /10° | 2.4 mm | 4 | |
| 21 Sept. | Sunny | 15° /9° | 0 mm | 4 | |
| 22 Sept. | Partly cloudy | 15° /9° | 0 mm | 4 | |
| 23 Sept. | Partly cloudy | 13° /9° | 0 mm | 4 | |
| 24 Sept. | Moderate rain at times | 13° /9° | 0.7 mm | 3 | |
| 25 Sept. | Patchy rain possible | 13° /9° | 1.5 mm | 4 | |
| 26 Sept. |  Heavy rain at times | 12° /9° | 5.2 mm | 4 | |
| 27 Sept. | Cloudy | 12° /10° | 14.8 mm | 3 | |
| 28 Sept. | Patchy rain possible | 13° /9° | 1.4 mm | 3 | |
| 29 Sept. | Patchy rain possible | 13° /8° | 0.5 mm | 3 | |
| 30 Sept. |  Light rain | 13° /11° | 10.6 mm | 4 | |
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Important Notice
Our weather forecast for Dumfries and Galloway 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 Dumfries and Galloway forecast closer to your planned date for the most up-to-date weather information.
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Dumfries and Galloway in September - FAQ
What are the expected maximum and minimum temperatures in Dumfries and Galloway during September?
During September, expect a variety of temperatures with highs around 14° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Dumfries and Galloway during September?
Significant rainfall exceeding 143.3 mm is expected in Dumfries and Galloway during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dumfries and Galloway during September?
The average wind speed in Dumfries and Galloway during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Dumfries and Galloway
Explore the daily rainfall trends and prepare for Dumfries and Galloways September weather 💧
Typically, Dumfries and Galloway has 22 rainy days in September with a total of 143.3 mm of rainfall.
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