Rolleston Weather in September

September in Rolleston brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 5°C (41°F). Expect some rainfall, with around 59 mm (2.3 in) typical for the month.

Rainfall in Rolleston in September

Historically, approximately 10 days this month are expected to have rain, averaging 59 mm (2.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Rolleston in September

Temperatures in Rolleston in September top out at 15°C (59°F) and drop to 5°C (41°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Rolleston in September

The area experiences a moderate amount of sunshine, with approximately 167 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Rolleston in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

At 10°C (50°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March and December typically offer the best circumstances for Rolleston.