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Weather in Rhondda Cynon Taf for September 2026

Your guide to Rhondda Cynon Taf weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Rhondda Cynon Taf is slightly cooler than the historical average by 1.1 °C.

  • The forecast for the next days in Rhondda Cynon Taf predicts temperatures to be around 19 °C, close to the historical average.

  • In general, the average temperature in Rhondda Cynon Taf at the beginning of September is 18.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21 °C by the end of September.

  • Rain 🌧️

  • Rhondda Cynon Taf experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 128.5 mm.

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Average dry days
1
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/9°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Rhondda Cynon Taf Weather September

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Temperatures trend during September in Rhondda Cynon Taf

See the weather trend as well as the moving average line

September weather in Rhondda Cynon Taf day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
17° /10° 3.3 mm 3
2 Sept. Light rain shower
Light rain shower
17° /10° 2.3 mm 4
3 Sept. Cloudy
Cloudy
18° /11° 6.2 mm 4
4 Sept. Light rain shower
Light rain shower
17° /11° 1.7 mm 4
5 Sept. Sunny
Sunny
18° /10° 5.8 mm 4
6 Sept. Overcast
Overcast
21° /13° 1.6 mm 4
7 Sept. Patchy rain possible
Patchy rain possible
19° /12° 3.1 mm 4
8 Sept. Light rain shower
Light rain shower
17° /11° 8.1 mm 4
9 Sept. Sunny
Sunny
17° /10° 1.2 mm 4
10 Sept. Light rain shower
Light rain shower
16° /9° 4.8 mm 3
11 Sept. Light rain shower
Light rain shower
15° /9° 2.6 mm 3
12 Sept. Fog
Fog
14° /8° 4.6 mm 3
13 Sept. Mist
Mist
14° /8° 5.1 mm 3
14 Sept. Fog
Fog
15° /9° 11 mm 3
15 Sept. Partly cloudy
Partly cloudy
16° /9° 2.8 mm 3
16 Sept. Light rain shower
Light rain shower
16° /9° 0.6 mm 3
17 Sept. Light rain shower
Light rain shower
15° /10° 7.6 mm 4
18 Sept. Light rain shower
Light rain shower
16° /10° 3.1 mm 3
19 Sept. Patchy rain possible
Patchy rain possible
16° /11° 1.9 mm 2.7
20 Sept. Overcast
Overcast
14° /9° 0 mm 1.5
21 Sept. Sunny
Sunny
19° /10° 0 mm 3.9
22 Sept. Sunny
Sunny
20° /14° 0 mm 5
23 Sept. Overcast
Overcast
20° /13° 0.1 mm 5
24 Sept. Overcast
Overcast
19° /13° 0 mm 5
25 Sept. Sunny
Sunny
21° /13° 0 mm 6
26 Sept. Sunny
Sunny
22° /14° 0 mm 6
27 Sept. Overcast
Overcast
22° /14° 0 mm 5
28 Sept. Sunny
Sunny
22° /15° 0 mm 6
29 Sept. Sunny
Sunny
22° /12° 0 mm 6
30 Sept. Overcast
Overcast
19° /15° 0 mm 4
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Important Notice
Our weather forecast for Rhondda Cynon Taf 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 Rhondda Cynon Taf forecast closer to your planned date for the most up-to-date weather information.

Rhondda Cynon Taf in September - FAQ

What are the expected maximum and minimum temperatures in Rhondda Cynon Taf during September?

During September, expect a variety of temperatures with highs around 15° and lows near 9°, suitable for diverse activities and preferences.

How much rainfall should be expected in Rhondda Cynon Taf during September?

Significant rainfall exceeding 128.5 mm is expected in Rhondda Cynon Taf during September, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Rhondda Cynon Taf during September?

The average wind speed in Rhondda Cynon Taf during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Rhondda Cynon Taf

Explore the daily rainfall trends and prepare for Rhondda Cynon Tafs September weather 💧
Typically, Rhondda Cynon Taf has 29 rainy days in September with a total of 128.5 mm of rainfall.

UV exposure in Rhondda Cynon Taf during September

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

Get accurate weather forecasts for Rhondda Cynon Taf, located at latitude 51.659 and longitude -3.449. Stay updated with localized weather information tailored for Rhondda Cynon Taf.

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