Dunedin Weather in September

Dunedin in September sees moderate daytime temperatures of 13°C (55°F) and nighttime lows of 4°C (39°F). Rainfall is fairly high this month at around 67 mm (2.6 in), so pack a rain jacket to stay dry.

Rainfall in Dunedin in September

Looking at the last 30 years, the data shows about 13 days with rain, averaging 67 mm (2.6 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Dunedin in September

If you're visiting Dunedin in September, expect highs of 13°C (55°F) and overnight lows around 4°C (39°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Dunedin in September

The month experiences a moderate amount of sunlight, with 134 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Dunedin in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in September

With water temperatures around 9°C (48°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. February and March typically offer the best weather for Dunedin.