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North Ayrshire (Irvine)
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Weather in North Ayrshire for September 2025

Your guide to North Ayrshire weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in North Ayrshire is slightly cooler than the historical average by -0.6 °C.

  • Expect cooler weather in the next days in North Ayrshire with the forecast suggesting a temperature of 13.1 °C, lower than the historical average.

  • In general, the average temperature in North Ayrshire at the beginning of September is 16.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.7 °C by the end of September.

    • Rain 🌧️

  • The climate of North Ayrshire in September is notably wet, with an average of 13 rainy days, and a total of 69.6 mm of precipitation.

    • More

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Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/8°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
84 %
Avg humidity

North Ayrshire Weather September

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

Temperatures trend during September in North Ayrshire

See the weather trend as well as the moving average line

September weather in North Ayrshire day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 16° /9° 4.9 mm 4
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /10° 6.6 mm 4
3 Sept. Moderate rain at times
Moderate rain at times
 12° /7° 11.3 mm 3
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /7° 4.6 mm 4
5 Sept. Overcast
Overcast
 17° /8° 0.4 mm 4
6 Sept. Partly cloudy
Partly cloudy
 19° /11° 0 mm 5
7 Sept. Partly cloudy
Partly cloudy
 21° /12° 3.9 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 18° /8° 0.2 mm 5
9 Sept. Heavy rain at times
Heavy rain at times
 14° /8° 3.5 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 11.1 mm 4
11 Sept. Overcast
Overcast
 12° /6° 3.6 mm 3
12 Sept. Patchy rain possible
Patchy rain possible
 12° /6° 4 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 2.8 mm 3
14 Sept. Moderate rain at times
Moderate rain at times
 15° /8° 5.1 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 1.7 mm 4
16 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 3.1 mm 0.7
17 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 4.5 mm 0.5
18 Sept. Moderate rain
Moderate rain
 17° /11° 12 mm 0.6
19 Sept. Heavy rain
Heavy rain
 15° /12° 21.3 mm 0.3
20 Sept. Moderate rain
Moderate rain
 14° /9° 10.2 mm 0.4
21 Sept. Patchy rain possible
Patchy rain possible
 12° /6° 0.1 mm 2
22 Sept. Patchy rain possible
Patchy rain possible
 11° /3° 0.3 mm 2
23 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 0.7 mm 2
24 Sept. Sunny
Sunny
 13° /4° 0 mm 3
25 Sept. Sunny
Sunny
 14° /5° 0 mm 3
26 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 2
27 Sept. Patchy rain possible
Patchy rain possible
 11° /8° 0.2 mm 2
28 Sept. Patchy rain possible
Patchy rain possible
 10° /8° 4.5 mm 2
29 Sept. Patchy rain possible
Patchy rain possible
 10° /8° 0.3 mm 2
30 Sept. Light drizzle
Light drizzle
 11° /8° 2.7 mm 3
Next
Important Notice
Our weather forecast for North Ayrshire 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 North Ayrshire forecast closer to your planned date for the most up-to-date weather information.
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North Ayrshire in September - FAQ

What are the expected maximum and minimum temperatures in North Ayrshire 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 North Ayrshire during September?
Moderate rainfall is anticipated in North Ayrshire during September, with a total of 69.6 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in North Ayrshire during September?
The average wind speed in North Ayrshire during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in North Ayrshire

Explore the daily rainfall trends and prepare for North Ayrshires September weather 💧

UV exposure in North Ayrshire during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is North Ayrshire?

Get accurate weather forecasts for North Ayrshire, located at latitude 55.619 and longitude -4.655. Stay updated with localized weather information tailored for North Ayrshire.

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