Is Edinburgh hot in September?
Days are typically cool at 16.7°C, while nights average 9.6°C.
United Kingdom · 1991–2020 normal
Typical September weather in Edinburgh: 16.7°C by day, 9.6°C at night, 55 mm of rain over 10 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 57 out of 100 (August leads the year at 66). Daylight is calculated as 12 h 39 from latitude 55.95°. Open-water sea temperature is 13.3°C (20 km from the place centre).
September at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically cool at 16.7°C, while nights average 9.6°C.
The measured monthly average is 55 mm across about 10 wet days.
There are about 12 h 39 between sunrise and sunset at mid-month, calculated from the place latitude.
September ranks 4 of 12 in our weather comparison; August ranks first.
The evidence behind this page
Next step
The weather comparison for Edinburgh is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work