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United Kingdom weather

Weather in Wales for September 2027

Your guide to Wales weather in September - trends and predictions

    Rain 🌧️

  • The climate of Wales in September is notably wet, with an average of 12 rainy days, and a total of 36.4 mm of precipitation.

    • More

  • Is September a good time to visit Wales? check out the best time to travel to Wales page.

  • ✨ Is September a good time to visit Wales? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Wales Weather September

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

Temperatures trend during September in Wales

See the weather trend as well as the moving average line

September weather in Wales day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 21° /11° 0 mm 2
2 Sept. Patchy rain possible
Patchy rain possible
 18° /13° 2.3 mm 1
3 Sept. Overcast
Overcast
 23° /16° 0.1 mm 1
4 Sept. Moderate rain
Moderate rain
 18° /14° 13.3 mm 2
5 Sept. Overcast
Overcast
 19° /13° 0 mm 3
6 Sept. Patchy rain possible
Patchy rain possible
 23° /12° 1.2 mm 2
7 Sept. Overcast
Overcast
 20° /15° 0.8 mm 1
8 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 1 mm 2
9 Sept. Overcast
Overcast
 17° /11° 0 mm 4
10 Sept. Light rain
Light rain
 19° /9° 3.2 mm 1
11 Sept. Overcast
Overcast
 19° /12° 0 mm 2
12 Sept. Light rain
Light rain
 20° /11° 3 mm 1
13 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 2.4 mm 1
14 Sept. Patchy rain possible
Patchy rain possible
 24° /15° 0.6 mm 3
15 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 1.3 mm 3
16 Sept. Patchy rain possible
Patchy rain possible
 18° /12° 1.5 mm 2
17 Sept. Patchy rain possible
Patchy rain possible
 17° /11° 0.1 mm 2
18 Sept. Patchy rain possible
Patchy rain possible
 18° /10° 1.6 mm 2
19 Sept. Patchy rain possible
Patchy rain possible
 21° /14° 0.9 mm 1
20 Sept. Overcast
Overcast
 18° /11° 0 mm 2
21 Sept. Overcast
Overcast
 22° /9° 0 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 24° /13° 0.2 mm 2
23 Sept. Patchy rain possible
Patchy rain possible
 19° /11° 0.8 mm 1
24 Sept. Overcast
Overcast
 20° /8° 0 mm 1
25 Sept. Overcast
Overcast
 17° /12° 0 mm 1
26 Sept. Overcast
Overcast
 19° /9° 0 mm 2
27 Sept. Patchy rain possible
Patchy rain possible
 20° /9° 1.3 mm 1
28 Sept. Overcast
Overcast
 17° /9° 0 mm 0
29 Sept. Patchy rain possible
Patchy rain possible
 22° /10° 0.2 mm 1
30 Sept. Partly cloudy
Partly cloudy
 20° /12° 0.6 mm 2
Next
Important Notice
Our weather forecast for Wales 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 Wales forecast closer to your planned date for the most up-to-date weather information.
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Wales in September - FAQ

What are the expected maximum and minimum temperatures in Wales during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Wales during September?
In September, Wales can expect light to moderate rainfall, totaling 36.4 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.

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

September rainfall patterns in Wales

Explore the daily rainfall trends and prepare for Waless September weather 💧
Typically, Wales has 12 rainy days in September with a total of 36.4 mm of rainfall.

UV exposure in Wales during September

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

Get accurate weather forecasts for Wales, located at latitude 53.341 and longitude -1.282. Stay updated with localized weather information tailored for Wales.

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