Dundrennan Weather in September

September in Dundrennan brings moderate temperatures around 17°C (63°F) during the day, dropping to 12°C (54°F) at night, with quite a bit of rainfall expected, averaging around 122 mm (4.8 in) for the month.

Rainfall in Dundrennan in September

Historically, September sees about 17 days of rain, with a monthly average of 122 mm (4.8 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Dundrennan in September

Daytime highs in Dundrennan in September reach 17°C (63°F), with nights around 12°C (54°F). The month of September belongs to the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Dundrennan in September

The month has fewer sunny days, with around 95 hours of sunshine.

For Dundrennan itself, May, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.