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Picton Weather in September

During September, Picton experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 8°C (46°F). Expect quite a bit of rainfall. Around 85 mm (3.3 in) is typical.

Rainfall in Picton in September

You can typically expect 12 days of rain this month, averaging around 85 mm (3.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Picton in September

If you're visiting Picton in September, expect highs of 15°C (59°F) and overnight lows around 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Picton in September

The city usually sees around 189 hours of sunlight, indicating a moderately sunny period.

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

Picton Temperature in September

Min Temperature

8°C (46°F)

Max Temperature

15°C (59°F)

Chance of Rain

41%

Precipitation

85 mm (3.3 in)

Rainy days

12 days

Humidity

80% *

Sunshine

189 hours *

Percentage Sunshine

* Data from: Nelson, New Zealand (60 KM, 37 Miles).

Picton Weather by Month

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

January

21°C (70°F)View January → February

22°C (72°F)View February → March

20°C (68°F)View March → April

18°C (64°F)View April → May

16°C (61°F)View May → June

13°C (55°F)View June → July

13°C (55°F)View July → August

13°C (55°F)View August → September

15°C (59°F)View September → This monthOctober

16°C (61°F)View October → November

18°C (64°F)View November → December

20°C (68°F)View December →

Best Time to Visit Picton →

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Picton typically stay consistent throughout September, with daily highs averaging around 15°C (59°F). Nights are cool, with lows around 8°C (46°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

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

Average precipitation in September

Historical weather records for Picton in September

Browse day-by-day weather records for Picton spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Picton historical weather extremes in September

According to our 50 years of weather records for Picton, the following extremes were recorded between 1976 and 2026.

On September 24, 1996, temperatures climbed to 22°C (72°F), marking the warmest September day on record.
On September 6, 1985, Picton saw its coldest September day with temperatures maxing out at 8°C (46°F).
Nighttime temperatures dropped to 0°C (32°F) on September 7, 1997, marking the coldest September night on record.

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 Picton in September

Pack for changing conditions in Picton in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.