Climate averages 1991–2020
Aberdeen weather
in September.
A cool, moderately wet month: the 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a cool month in Aberdeen: daytime highs average 14.3°C and nights cool to about 10.8°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 66 mm of rain on roughly 12 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 51 min on an average September day.
The nearest other city in this atlas is Dundee, United Kingdom (92 km away). In September its highs average 15.1°C, 0.8°C warmer than Aberdeen, with 61 mm of rain.
Among the 143 cities listed in the United Kingdom, Aberdeen ranks 143rd of 143 for the warmest September highs and joint 107th of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 17.3°C; Aberdeen is 3.0°C cooler than that mean.
From September to October, average highs fall by 2.7°C to 11.6°C, and monthly rainfall rises from 66 mm to 98 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Aberdeen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.3°C3.4°C | 3.4°C | 70 | 14.1 | 7.47 h |
| February | 6.3°C3.1°C | 3.1°C | 56 | 11.9 | 9.49 h |
| March | 7.4°C3.7°C | 3.7°C | 55 | 12.5 | 11.812 h |
| April | 8.9°C5.1°C | 5.1°C | 52 | 11.4 | 14.214 h |
| May | 11.1°C7.1°C | 7.1°C | 48 | 10.5 | 16.516 h |
| June | 13.6°C9.8°C | 9.8°C | 60 | 11.2 | 17.818 h |
| July | 15.6°C11.9°C | 11.9°C | 59 | 11.8 | 17.217 h |
| August | 15.8°C12.1°C | 12.1°C | 65 | 12.3 | 15.215 h |
| September, selected | 14.3°C10.8°C | 10.8°C | 66 | 12.1 | 12.913 h |
| October | 11.6°C8.5°C | 8.5°C | 98 | 15.7 | 10.410 h |
| November | 8.8°C5.9°C | 5.9°C | 92 | 15.4 | 8.18 h |
| December | 6.8°C3.9°C | 3.9°C | 74 | 14.2 | 6.87 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Dundee, United Kingdom in SeptemberUnited Kingdom · 92 kmHigh 15.1°C · Low 9.1°C · 61 mm rain
- Edinburgh in SeptemberUnited Kingdom · 149 kmHigh 15.2°C · Low 9.7°C · 59 mm rain
- Glasgow in SeptemberUnited Kingdom · 194 kmHigh 15.1°C · Low 9.2°C · 83 mm rain
- East Kilbride in SeptemberUnited Kingdom · 200 kmHigh 14.4°C · Low 8.4°C · 83 mm rain
- Paisley in SeptemberUnited Kingdom · 204 kmHigh 15.1°C · Low 9.4°C · 90 mm rain
- South Shields in SeptemberUnited Kingdom · 242 kmHigh 16.3°C · Low 10.6°C · 52 mm rain
- Newcastle upon Tyne in SeptemberUnited Kingdom · 243 kmHigh 15.9°C · Low 10.0°C · 52 mm rain
- Sunderland in SeptemberUnited Kingdom · 253 kmHigh 16.4°C · Low 10.3°C · 52 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Aberdeen) is explained once on the Aberdeen year overview and on the Sources, method and limits page.