Edinburgh weather in September
September in Edinburgh: cool, a little rain, with clean air — a great time to visit.
#5 of 12 months in Edinburgh · #333 of 604 destinations to visit in September · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Edinburgh climate normals — September
| Daytime high | 16°C / 61°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 73 mm / 2.9 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 7.1 h/day | |
| Daylight | 12.7 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Edinburgh?
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Edinburgh in September — FAQ
- Is September a good time to visit Edinburgh?
- September in Edinburgh: cool, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for Edinburgh on SeasonMap's comfort score (78/100).
- What is the weather like in Edinburgh in September?
- In September, Edinburgh averages a daily high of 16.2°C and a low of 10.3°C, with about 73.4 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Edinburgh in September?
- Edinburgh has a mean US Air Quality Index of about 32 in September.