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United Kingdom weather

Weather in Newtownabbey for September 2026

Your guide to Newtownabbey weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Newtownabbey has been nearly identical to the historical average, with a temperature of 16.7 °C (showing only a slight deviation of 0.1 °C).

  • The forecast for the next days in Newtownabbey predicts temperatures to be around 18 °C, close to the historical average.

  • In general, the average temperature in Newtownabbey at the beginning of September is 18 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 18.4 °C by the end of September.

    • Rain 🌧️

  • Newtownabbey experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 109.1 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/8°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Newtownabbey Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
17°
2
Light rain shower
18°
3
Light rain shower
17°
4
Patchy rain possible
17°
5
Overcast
18°
6
Partly cloudy
20°
7
Patchy rain possible
19°
8
Partly cloudy
18°
9
Overcast
17°
10
Moderate or heavy rain shower
17°
11
Light rain shower
15°
12
Light rain shower
15°
13
Overcast
15°
14
Overcast
17°
15
Moderate rain
14°
16
Cloudy
16°
17
Light rain
16°
18
Patchy rain possible
16°
19
Light rain
16°
20
Sunny
15°
21
Sunny
22°
22
Overcast
18°
23
Patchy rain possible
14°
24
Overcast
16°
25
Partly cloudy
18°
26
Fog
17°
27
Overcast
16°
28
Sunny
21°
29
Sunny
19°
30
Sunny
22°

Temperatures trend during September in Newtownabbey

See the weather trend as well as the moving average line

September weather in Newtownabbey day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 2.8 mm 3
2 Sept. Light rain shower
Light rain shower
 18° /10° 3.1 mm 3
3 Sept. Light rain shower
Light rain shower
 17° /10° 4.9 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 1.6 mm 4
5 Sept. Overcast
Overcast
 18° /9° 0 mm 4
6 Sept. Partly cloudy
Partly cloudy
 20° /11° 0.3 mm 4
7 Sept. Patchy rain possible
Patchy rain possible
 19° /11° 2.4 mm 4
8 Sept. Partly cloudy
Partly cloudy
 18° /9° 0.7 mm 4
9 Sept. Overcast
Overcast
 17° /9° 0.6 mm 4
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /10° 7.3 mm 3
11 Sept. Light rain shower
Light rain shower
 15° /8° 2.6 mm 3
12 Sept. Light rain shower
Light rain shower
 15° /7° 3.9 mm 3
13 Sept. Overcast
Overcast
 15° /6° 1.2 mm 3
14 Sept. Overcast
Overcast
 17° /9° 3.4 mm 3
15 Sept. Moderate rain
Moderate rain
 14° /9° 7.8 mm 3
16 Sept. Cloudy
Cloudy
 16° /8° 0.4 mm 3
17 Sept. Light rain
Light rain
 16° /9° 8.5 mm 3
18 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 4.3 mm 3
19 Sept. Light rain
Light rain
 16° /9° 4.7 mm 4
20 Sept. Sunny
Sunny
 15° /8° 0 mm 2.7
21 Sept. Sunny
Sunny
 22° /12° 0.7 mm 3.1
22 Sept. Overcast
Overcast
 18° /12° 0.3 mm 2.2
23 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 10.9 mm 2.4
24 Sept. Overcast
Overcast
 16° /8° 0 mm 4
25 Sept. Partly cloudy
Partly cloudy
 18° /12° 0 mm 5
26 Sept. Fog
Fog
 17° /9° 0.1 mm 5
27 Sept. Overcast
Overcast
 16° /8° 0 mm 4
28 Sept. Sunny
Sunny
 21° /10° 0 mm 6
29 Sept. Sunny
Sunny
 19° /12° 0 mm 5
30 Sept. Sunny
Sunny
 22° /12° 0 mm 6
Next
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.

UV exposure in Newtownabbey during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Newtownabbey?

Get accurate weather forecasts for Newtownabbey, located at latitude 54.66 and longitude -5.909. Stay updated with localized weather information tailored for Newtownabbey.

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