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Denbighshire (Prestatyn)
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Weather in Denbighshire for September 2026

Your guide to Denbighshire weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Denbighshire has been nearly identical to the historical average, with a temperature of 17.7 °C (showing only a slight deviation of 0.4 °C).

  • The forecast for the next days in Denbighshire predicts temperatures to be around 20 °C, close to the historical average.

  • In general, the average temperature in Denbighshire at the beginning of September is 18.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.1 °C by the end of September.

    • Rain 🌧️

  • Denbighshire experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 136.8 mm.

    • More

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

Average dry days
4
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/10°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Denbighshire Weather September

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

Temperatures trend during September in Denbighshire

See the weather trend as well as the moving average line

September weather in Denbighshire day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate rain at times
Moderate rain at times
 19° /10° 1.4 mm 4
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /12° 3.3 mm 3
3 Sept. Overcast
Overcast
 18° /12° 4.2 mm 3
4 Sept. Moderate rain at times
Moderate rain at times
 16° /11° 4 mm 3
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /10° 1.1 mm 3
6 Sept. Overcast
Overcast
 22° /11° 1.8 mm 4
7 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 2.2 mm 4
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /11° 9.9 mm 3
9 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 1.4 mm 3
10 Sept. Moderate rain at times
Moderate rain at times
 17° /9° 2.5 mm 3
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /10° 10.1 mm 3
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /10° 7.7 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 5.6 mm 2
14 Sept. Overcast
Overcast
 17° /12° 4 mm 3
15 Sept. Moderate rain at times
Moderate rain at times
 16° /12° 6.3 mm 3
16 Sept. Partly cloudy
Partly cloudy
 16° /10° 2.6 mm 3
17 Sept. Sunny
Sunny
 18° /11° 6.7 mm 3
18 Sept. Sunny
Sunny
 18° /11° 2.7 mm 3
19 Sept. Overcast
Overcast
 19° /12° 0.2 mm 5
20 Sept. Overcast
Overcast
 15° /8° 0 mm 3.3
21 Sept. Sunny
Sunny
 22° /8° 0 mm 3.5
22 Sept. Fog
Fog
 21° /13° 0 mm 3.1
23 Sept. Fog
Fog
 14° /8° 1.3 mm 2.7
24 Sept. Sunny
Sunny
 19° /7° 0 mm 5
25 Sept. Sunny
Sunny
 21° /10° 0 mm 6
26 Sept. Sunny
Sunny
 18° /12° 0 mm 5
27 Sept. Overcast
Overcast
 20° /11° 0 mm 4
28 Sept. Sunny
Sunny
 25° /12° 0 mm 7
29 Sept. Sunny
Sunny
 23° /10° 0 mm 6
30 Sept. Overcast
Overcast
 22° /15° 0 mm 5
Next
Important Notice
Our weather forecast for Denbighshire 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 Denbighshire forecast closer to your planned date for the most up-to-date weather information.
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Denbighshire in September - FAQ

What are the expected maximum and minimum temperatures in Denbighshire during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Denbighshire during September?
Significant rainfall exceeding 136.8 mm is expected in Denbighshire during September, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Denbighshire during September?
The average wind speed in Denbighshire during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Denbighshire

Explore the daily rainfall trends and prepare for Denbighshires September weather 💧
Typically, Denbighshire has 26 rainy days in September with a total of 136.8 mm of rainfall.

UV exposure in Denbighshire during September

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

Get accurate weather forecasts for Denbighshire, located at latitude 53.337 and longitude -3.408. Stay updated with localized weather information tailored for Denbighshire.

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