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Lake Tekapo Weather in September

September in Lake Tekapo typically sees daytime highs of 9°C (48°F) and nighttime lows of 1°C (34°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Lake Tekapo in September

Climate statistics over the past 30 years suggest around 9 days of rain, with 113 mm (4.4 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Lake Tekapo in September

September in Lake Tekapo brings low temperatures, with highs of 9°C (48°F) and nights around 1°C (34°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 1°C (34°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

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

Lake Tekapo Temperature in September

Min Temperature

1°C (34°F)

Max Temperature

9°C (48°F)

Chance of Rain

29%

Precipitation

113 mm (4.4 in)

Rainy days

9 days

Lake Tekapo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lake Tekapo - and find the best time to visit.

January

19°C (66°F)View January → February

19°C (66°F)View February → March

17°C (63°F)View March → April

14°C (57°F)View April → May

10°C (50°F)View May → June

6°C (43°F)View June → July

5°C (41°F)View July → August

7°C (45°F)View August → September

9°C (48°F)View September → This monthOctober

12°C (54°F)View October → November

14°C (57°F)View November → December

17°C (63°F)View December →

Best Time to Visit Lake Tekapo →

Daily Historical Temperatures

36-year average (1990-2025)

Based on our historical records, temperatures in Lake Tekapo typically stay consistent throughout September, with daily highs averaging around 9°C (48°F). Nights are cold, with lows typically ranging from 1°C (34°F) to 3°C (37°F).

Average temperatures in September

Daily Historical Precipitation

36-year average (1990-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Lake Tekapo in September

Browse day-by-day weather records for Lake Tekapo spanning 49 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Lake Tekapo historical weather extremes in September

Based on 35 years of weather observations (1991-2026), these are the most extreme conditions recorded in Lake Tekapo.

The warmest day in September was on September 14, 2009, with a maximum of 26°C (79°F).
On September 7, 2026, Lake Tekapo saw its coldest September day with temperatures maxing out at 4°C (39°F).
The coldest night in September in Lake Tekapo was on September 11, 2015, with a minimum of -7°C (19°F).

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 →

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

What to Wear in Lake Tekapo in September

Dress warmly and in layers for your trip to Lake Tekapo in September. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags.