Millom Weather in September

September in Millom 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 142 mm (5.6 in) for the month.

Rainfall in Millom in September

The climate data from previous years indicates about 18 days of rain, averaging 142 mm (5.6 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Millom in September

Expect highs of 17°C (63°F) in Millom in September, with nights dropping to around 12°C (54°F). September marks the summer season. Conditions are often most pleasant around the middle of the day. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Millom in September

The city usually sees around 142 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, May, July and August typically offer 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.