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Water temperature in Cwm-yr-Eglwys in September

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Is it warm enough to swim in Cwm-yr-Eglwys in September? Average water temperature in Cwm-yr-Eglwys in September is 15.9°C and therefore is not suitable for comfortable swimming. The warmest sea in Cwm-yr-Eglwys in September is 17.8°C, and the coldest is 14.7°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cwm-yr-Eglwys

Changes water temperature in Cwm-yr-Eglwys in September 2025, 2024

To get an accurate forecast for the water temperature in Cwm-yr-Eglwys for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cwm-yr-Eglwys, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
1 September17.4°C16.1°C15.6°C17.4°C
2 September17.2°C16.1°C15.4°C17.2°C
3 September17.1°C16.2°C15.3°C17.1°C
4 September17.3°C16.3°C15.2°C17.3°C
5 September17.2°C16.4°C15.3°C17.2°C
6 September17.1°C16.4°C15.3°C17.4°C
7 September17°C16.3°C15.3°C17.3°C
8 September17.1°C16.3°C15.2°C17.2°C
9 September17°C16.3°C15.2°C17.8°C
10 September16.8°C16.5°C15.4°C17.6°C
11 September16.8°C16.3°C15.4°C17.6°C
12 September16.6°C16°C15.4°C17.6°C
13 September16.6°C16.1°C15.4°C17.5°C
14 September16.4°C16°C15.2°C17.3°C
15 September16.3°C16°C15.1°C17.2°C
Day 2025 2024 Min Max
16 September16.2°C15.9°C15.1°C17.1°C
17 September16.3°C16.1°C14.9°C16.9°C
18 September16.1°C16.2°C15.1°C16.9°C
19 September16°C15.9°C15.1°C16.7°C
20 September16°C16.1°C14.9°C16.6°C
21 September16°C15.9°C15°C16.6°C
22 September16°C15.7°C14.8°C16.5°C
23 September16°C15.7°C14.8°C16.6°C
24 September15.8°C15.7°C14.8°C16.5°C
25 September15.8°C15.7°C14.8°C16.5°C
26 September 15.7°C15.1°C16.4°C
27 September 15.7°C14.7°C16.3°C
28 September 15.4°C14.7°C16.2°C
29 September 15.3°C14.7°C16.1°C
30 September 15.5°C14.8°C16°C
Cwm-yr-Eglwys water temp chart in September

Average water temperature in Cwm-yr-Eglwys in September over a decade

20152016201720182019
15.2°C16°C15.7°C15.9°C16.3°C
20202021202220232024
15.8°C16.1°C16.7°C16.8°C16°C

Cwm-yr-Eglwys water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Newgale15.7°C14.4°C17.7°C
St Davids15.7°C14.3°C17.4°C
Pembrokeshire15.8°C14.5°C17.8°C
Broad Haven15.8°C14.5°C17.8°C
Little Haven15.8°C14.5°C17.8°C
Milford Haven16°C14.7°C18.3°C
Saundersfoot16.8°C15.2°C19.3°C
Dale15.9°C14.6°C18.1°C
Amroth16.8°C15.2°C19.5°C
Pembroke16.5°C15.1°C18.8°C

Wales photo gallery

  • Early morning swimming in caswell bay
  • Nefyn Beach on a wet day in August
  • Nefyn beach from the Quay
  • Nefyn Beach from the coastal path

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Cwm-yr-Eglwys is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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