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Temperatures in September
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Wales temperatures in September

Wales is a region in the United Kingdom. September is generally a pleasant month with maximum daytime temperatures around 18°C and nighttime temperatures around 12°C in Cardiff. In September, it is summer.

What is the temperature of the different cities in Wales in September?

Curious about the September temperatures in the prime spots of Wales? Navigate the map below and tap on a destination dot for more detailed stats.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Wales get in September?
    • The city Cardiff usually sees around 149 hours of sunlight, indicating a moderately sunny period.

  • What is the water's temperature in September?
    • The water temperature averages approximately 15°C in Cardiff this month, so not the best month to swim.

    Interested in more climate information?

    We have much more information about the climate in Wales. Interested in the weather conditions in a specific month? Select the month below.

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