Newtownabbey
September
Weather in Newtownabbey for September 2026
Your guide to Newtownabbey weather in September - trends and predictions
In general, the average temperature in Newtownabbey at the beginning of September is 17.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °C by the end of September.
Newtownabbey experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 109.1 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
15°/8°
Temperatures
23 km/h
Avg max wind
84 %
Avg humidity
Newtownabbey Weather September
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Temperatures trend during September in Newtownabbey
See the weather trend as well as the moving average line
September weather in Newtownabbey day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 16° /10° | 1.2 mm | 4 | |
| 2 Sept. | Light rain shower | 18° /9° | 3.7 mm | 4 | |
| 3 Sept. | Light rain shower | 16° /9° | 6 mm | 4 | |
| 4 Sept. |  Sunny | 17° /8° | 1.9 mm | 4 | |
| 5 Sept. |  Partly cloudy | 18° /9° | 0 mm | 5 | |
| 6 Sept. | Partly cloudy | 20° /11° | 0 mm | 5 | |
| 7 Sept. | Patchy rain possible | 20° /11° | 2.7 mm | 4 | |
| 8 Sept. | Partly cloudy | 19° /9° | 0.8 mm | 5 | |
| 9 Sept. | Patchy rain possible | 18° /10° | 0.8 mm | 4 | |
| 10 Sept. |  Moderate or heavy rain shower | 17° /10° | 8.2 mm | 4 | |
| 11 Sept. | Light rain shower | 14° /8° | 3.4 mm | 3 | |
| 12 Sept. | Light rain shower | 14° /6° | 1.2 mm | 4 | |
| 13 Sept. |  Overcast | 14° /5° | 1.5 mm | 3 | |
| 14 Sept. | Overcast | 16° /8° | 3.3 mm | 4 | |
| 15 Sept. |  Moderate rain | 14° /9° | 8.6 mm | 3 | |
| 16 Sept. |  Cloudy | 16° /7° | 0.1 mm | 4 | |
| 17 Sept. |  Light rain | 17° /10° | 10.8 mm | 4 | |
| 18 Sept. | Patchy rain possible | 16° /9° | 3.8 mm | 4 | |
| 19 Sept. | Light rain | 16° /9° | 4.7 mm | 4 | |
| 20 Sept. | Light rain shower | 16° /8° | 1.7 mm | 4 | |
| 21 Sept. | Light rain shower | 14° /6° | 0.7 mm | 4 | |
| 22 Sept. | Light rain shower | 14° /6° | 1 mm | 4 | |
| 23 Sept. | Light drizzle | 14° /5° | 0.4 mm | 4 | |
| 24 Sept. | Light rain shower | 15° /8° | 4.9 mm | 4 | |
| 25 Sept. | Patchy rain possible | 14° /8° | 1.3 mm | 4 | |
| 26 Sept. | Light rain shower | 13° /7° | 9.7 mm | 3 | |
| 27 Sept. | Light rain shower | 13° /6° | 14.7 mm | 3 | |
| 28 Sept. | Light rain shower | 14° /6° | 1.6 mm | 3 | |
| 29 Sept. | Patchy rain possible | 14° /7° | 0.8 mm | 3 | |
| 30 Sept. | Light rain shower | 14° /8° | 9.4 mm | 3 | |
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Important Notice
Our weather forecast for Newtownabbey 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 Newtownabbey forecast closer to your planned date for the most up-to-date weather information.
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Newtownabbey in September - FAQ
What are the expected maximum and minimum temperatures in Newtownabbey 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 Newtownabbey during September?
Significant rainfall exceeding 109.1 mm is expected in Newtownabbey during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Newtownabbey during September?
The average wind speed in Newtownabbey during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Newtownabbey
Explore the daily rainfall trends and prepare for Newtownabbeys September weather 💧
Typically, Newtownabbey has 22 rainy days in September with a total of 109.1 mm of rainfall.
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