Derry City and Strabane (Derry)
September
Weather in Derry City and Strabane for September 2027
Your guide to Derry City and Strabane weather in September - trends and predictions
In general, the average temperature in Derry City and Strabane at the beginning of September is 17.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.8 °C by the end of September.
Derry City and Strabane in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 99.3 mm.
Is September a good time to visit Derry City and Strabane? check out the best time to travel to Derry City and Strabane page.
✨ Is September a good time to visit Derry City and Strabane? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
12
Dry days
18
Rainy days
0
Snow days
15°/8°
Temperatures
20 km/h
Avg max wind
85 %
Avg humidity
Derry City and Strabane Weather September
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Temperatures trend during September in Derry City and Strabane
See the weather trend as well as the moving average line
September weather in Derry City and Strabane day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 16° /10° | 3.6 mm | 3 | |
| 2 Sept. | Light rain | 17° /10° | 3.8 mm | 3 | |
| 3 Sept. |  Patchy rain possible | 16° /10° | 2.2 mm | 4 | |
| 4 Sept. | Light rain shower | 17° /9° | 1.4 mm | 4 | |
| 5 Sept. |  Fog | 18° /9° | 0.1 mm | 4 | |
| 6 Sept. | Mist | 20° /11° | 0.6 mm | 4 | |
| 7 Sept. | Patchy rain possible | 20° /11° | 2.2 mm | 4 | |
| 8 Sept. | Patchy rain possible | 18° /10° | 2.3 mm | 4 | |
| 9 Sept. | Patchy rain possible | 16° /9° | 0.7 mm | 3 | |
| 10 Sept. | Light rain | 16° /10° | 5.6 mm | 3 | |
| 11 Sept. | Light rain | 14° /8° | 5 mm | 3 | |
| 12 Sept. | Light rain | 14° /7° | 4.8 mm | 3 | |
| 13 Sept. |  Moderate rain | 13° /6° | 5.6 mm | 2 | |
| 14 Sept. | Light rain | 15° /9° | 5.2 mm | 3 | |
| 15 Sept. | Light rain | 14° /9° | 5 mm | 3 | |
| 16 Sept. | Patchy rain possible | 16° /8° | 1.3 mm | 3 | |
| 17 Sept. | Moderate rain | 16° /9° | 6.8 mm | 3.5 | |
| 18 Sept. | Light rain | 15° /9° | 3.3 mm | 3 | |
| 19 Sept. | Light rain | 16° /9° | 3.6 mm | 3.4 | |
| 20 Sept. | Light rain | 16° /8° | 5.2 mm | 3 | |
| 21 Sept. | Light rain | 15° /8° | 2 mm | 3 | |
| 22 Sept. | Light rain | 14° /8° | 3.3 mm | 3 | |
| 23 Sept. | Light rain | 14° /6° | 2.5 mm | 3 | |
| 24 Sept. | Light rain | 15° /8° | 3.3 mm | 3 | |
| 25 Sept. | Patchy rain possible | 14° /8° | 1.5 mm | 2.9 | |
| 26 Sept. | Light rain | 14° /7° | 4.4 mm | 2.8 | |
| 27 Sept. | Light rain | 12° /6° | 7.1 mm | 2 | |
| 28 Sept. | Light drizzle | 13° /7° | 1.5 mm | 2.7 | |
| 29 Sept. | Patchy rain possible | 15° /8° | 1.4 mm | 2.6 | |
| 30 Sept. | Light rain | 14° /9° | 4 mm | 2.5 | |
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Important Notice
Our weather forecast for Derry City and Strabane 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 Derry City and Strabane forecast closer to your planned date for the most up-to-date weather information.
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Derry City and Strabane in September - FAQ
What are the expected maximum and minimum temperatures in Derry City and Strabane during September?
During September, expect a variety of temperatures with highs around 15° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Derry City and Strabane during September?
Moderate rainfall is anticipated in Derry City and Strabane during September, with a total of 99.3 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Derry City and Strabane during September?
The average wind speed in Derry City and Strabane during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Derry City and Strabane
Explore the daily rainfall trends and prepare for Derry City and Strabanes September weather 💧
Typically, Derry City and Strabane has 18 rainy days in September with a total of 99.3 mm of rainfall.
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