Edinburgh Weather in September
In September, Edinburgh averages a high of 17°C (62°F) and a low of 9°C (49°F), from 55 years of daily records (1971–2026).
17°C
Average high
62°F
9°C
Average low
49°F
27°C
Record high
80°F · September 8, 2023
-1°C
Record low
31°F · September 28, 1974
What September Is Like in Edinburgh
- September 2026 was the 2nd warmest September in 55 years of records, 1.9°C (3.4°F) above the long-run average.
- 6 of the 10 warmest Septembers on record in Edinburgh have come since 2012.
- The coldest September reading, -1°C (31°F) on September 28, 1974, has not been matched in 52 years.
- September in Edinburgh has become 1.0°C (1.8°F) warmer on average: the 2012–2026 average against 1970–1989.
At least 1 mm of rain falls on 33% of September days, and the month averages 56 mm in total.
Warmest: 2023 (18.8°C)Latest: 2026 (18.7°C)10-year averageLong-run average (16.6°C)
Look Up a Day in September
See the weather in Edinburgh on any September date, year by year.
Source: NOAA GHCN-Daily, Edinburgh: Royal Botanic Garde (1971–2026). Averages cover 1971–2026. How we compute this