Dartmouth Weather in September

September in Dartmouth brings pleasant temperatures around 18°C (64°F) during the day, dropping to 13°C (55°F) at night, with quite a bit of rainfall expected, averaging around 61 mm (2.4 in) for the month.

Rainfall in Dartmouth in September

Typically, you can expect about 13 days of rain this month, with 61 mm (2.4 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Dartmouth in September

In September, Dartmouth sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 13°C (55°F). During September, you'll experience the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 13°C (55°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 Dartmouth in September

The city usually sees around 162 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, August typically offers 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.