Weather in Aberdeen in September 2025
Average weather
Average temperature in Aberdeen in September
The expected average maximum temperature in September is +16°C with a maximum of +22°C and a minimum of +7°C.
The average maximum temperature goes down 27% by the end of the month, compared with the beginning of the month, from +17°C to +13°C.
Is Aberdeen warm or cold in September?
Aberdeen is typically mild in September.
Maximum temperatures go down compared to the previous month from +17°C to +15°C. The minimum temperature also goes down from +11°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
September is one of the warmest months in Aberdeen, here is the comparison with other months:
Water temperature in Aberdeen in September
Water in Aberdeen in September is Cold. It varies from +12°C to +14°C, with an average of +13°C. This is almost similar to the air temperature, which averages +15°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Aberdeen in September?
Climate in Aberdeen in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +15°C | +12°C | ||||
| Min. temperature | ||||||
| +2°C | +1°C | -3°C | ||||
| Max. temperature | ||||||
| +29°C | +26°C | +21°C | ||||
| Rainfall | ||||||
| 62 mm | 60 mm | 87 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +14°C | +13°C | +12°C | ||||
| Humidity | ||||||
| 80% | 80% | 82% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 1 | 2 | 2 | ||||
| Cloudy days | ||||||
| 12 | 11 | 10 | ||||
| Rainy days | ||||||
| 18 | 17 | 19 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +17°C in the day, the average maximum temperature lowers to +15°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 62 mm to 60 mm. Humidity levels don’t change as the month goes on, averaging around 80%. The average wind speed doesn’t change much during September, staying around 3 m/s. The good news is there are likely to be more sunny days in September, from 1 to 2.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Aberdeen is gradually increasing during September, going from 1 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Aberdeen?
Climate Change over Years
The climate in Aberdeen in September has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+9°C) and the highest in 2022 (+13°C). The driest year was 2003 with only 474 mm of rainfall, and the wettest year was 2002 with 978 mm.
FAQ
Is September a good time to visit Aberdeen?
Can you sunbathe in Aberdeen in September?
Can you swim in Aberdeen in September?
Is Aberdeen rainy in September?
Is it sunny in Aberdeen in September?
Other cities in United Kingdom
Monthly weather in Aberdeen
Source of the data
For this page, we’ve looked at the typical weather in Aberdeen, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.