The weather in Wales on monday 1 September 2025
The average max temperature in Wales on 1 September is normally around 19°C. For comparison: the highest daytime temperature in the past 10 years was 22°C in 2018, while the lowest was 16°C in 2019.
There’s a small chance of precipitation, as 4 out of the last 10 years saw some, with an average of 1,2 mm on this day. The wind often comes from the Southwest with a maximum strength of 4 Bft.The UV index can reach 6.
31 August
Temperature on 1 September in Wales per year
This chart shows the average temperature on 1 September in Wales, measured in degrees Celsius, over the past years.
Precipitation on 1 September in Wales over the past years
This chart shows the total measured precipitation in millimetres on 1 September in Wales over the past years.
Average Weather in Wales by Month
Click on a month below to see detailed weather info for Wales. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
