Franz Josef Weather in September
Franz Josef in September averages 9°C (48°F) during the day and 2°C (36°F) at night. September is part of the rainy season, so frequent rainfall is typical.
Rainfall in Franz Josef in September
As part of the rainy season, Franz Josef sees around 18 days of rain in September, with an average of 352 mm (14 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Franz Josef in September
September in Franz Josef sees highs of 9°C (48°F) and lows of 2°C (36°F) overnight. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.Our weather planner can help you explore other travel destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Franz Josef's climate page.
Franz Josef Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
9°C (48°F)
Chance of Rain
58%
Precipitation
352 mm (14 in)
Rainy days
18 days
Historical weather for Franz Josef in September
Browse day-by-day weather records for Franz Josef spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Franz Josef historical weather extremes in September
According to our 19 years of weather records for Franz Josef, the following extremes were recorded between 2006 and 2025.
- The hottest September day on record in Franz Josef reached 21°C (70°F) (September 30, 2024).
- The coldest September day was on September 19, 2025, with a maximum of -1°C (30°F).
- The lowest overnight temperature recorded in September was -11°C (12°F) (September 5, 2009).
- The heaviest September precipitation occurred on September 17, 2023, when 108 mm (4.3 in) of precipitation fell.
Best Places in New Zealand in September
Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in September →
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What to Wear in Franz Josef in September
Cold weather calls for smart layering in September. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Franz Josef in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Franz Josef's climate page.
See the full Franz Josef climate overview or explore weather in New Zealand.
