Weather in Wales in September

General weather information about Wales

Average annual temperature is 26.8 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: 21.4 °C

Number of sunny days: 15 days

Number of rainy days: 350 days

Look at detailed online map of Wales

* Weather data for Wales Guyana is based on climate observations for 2026 year

Wales air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.829.430.330.831.031.132.034.035.536.432.532.1
Average daytime temperature (°C)27.627.928.929.629.429.830.631.833.133.231.330.4
Average temperature (°C)24.825.426.026.526.526.426.727.628.728.827.727.0
Average night temperature (°C)22.623.523.724.124.223.823.824.425.626.025.124.3
Absolute minimum temperature (°C)21.422.222.022.923.122.722.723.123.423.822.322.9

Wales monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.811.912.112.312.412.512.512.312.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.19.610.99.78.810.211.211.111.110.810.510.3
Precipitation (mm)223179731502933082501536482126119
Sunny days124200021300
Rainy days302627283130312929283031
Snow days000000000000

Best time to visit Wales:

The largest precipitation sum in Wales is at

  • January — 223(mm)
  • May — 293(mm)
  • June — 308(mm)
  • July — 250(mm)
  • Frequently asked questions

    When is the best time to visit Wales?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Wales.
    What is the weather like in Wales?
    See average temperature, rainfall and daylight hours for Wales by month in the table above.
    How many sunny days does Wales have?
    The monthly weather statistics above show sunshine and rainfall patterns for Wales throughout the year.