Derby weather in September
Long-run climate averages for Derby, England in September, plus what the forecast models say for the days ahead.
In September, Derby averages 19°C by day and 11°C at night. The wettest month is usually October.
September in Derby averages a daytime high of 19°C and an overnight low of 11°C, which reads as mild for this part of the world. Across the whole year Derby sees roughly 973 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Derby forecast with every model compared and how much they currently agree.
Derby weather by month
what to expect in Derby through the yearHere is Derby's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Derby by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Derby, scoring 90/100 on our CheckWeather Score, ahead of the Met Office at 85. See the full UK accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Derby in September?
Is September a good time to visit Derby?
Does it rain a lot in Derby in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .