Typical Weather in South Island, New Zealand in September
58° F Avg High
45° F Avg Low
8 Rainy Days
☀️ Temperature Summary
September is one of the cooler months of the year for South Island, with highs averaging around 58°F. You can expect overnight lows near 45°F most days.
September is a great time to visit South Island, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In September you can expect close to a 26% chance of rain for any given day. It rains more than usual in September, with total rainfall for the month typically near 3 inches.
Rainfall Throughout the Year
Planning a trip to South Island? Try our free trip weather planner