September typically marks the meteorological start of autumn in Scotland. Average temperatures generally decrease from August highs, ranging from 10-15C (50-59F). Rainfall becomes more frequent, although sunshine hours can still be plentiful, particularly in the earlier part of the month. Regional variations are significant, with the western Highlands and islands experiencing wetter conditions compared to the eastern lowlands.
Understanding typical climate conditions during this period is valuable for numerous activities. Travelers planning trips can pack appropriate clothing and anticipate potential disruptions. Outdoor enthusiasts can choose suitable pursuits and locations. Businesses operating in tourism, agriculture, or infrastructure can make informed decisions based on anticipated weather patterns. Historical weather data informs these predictions and allows for comparison with previous years, identifying potential trends and anomalies.