Napier Weather in September
September in Napier brings moderate temperatures, with highs of 16°C (61°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 71 mm (2.8 in), so keep a rain jacket handy.
Rainfall in Napier in September
Historically, September sees about 12 days of rain, with a monthly average of 71 mm (2.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Napier in September
Napier in September gets highs of 16°C (61°F) during the day and drops to 9°C (48°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 9°C (48°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 Napier in September
The month brings about 183 hours of sunlight, offering a comfortable mix of sun and overcast.September in Napier has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Napier's climate page.
Napier Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
16°C (61°F)
Chance of Rain
40%
Precipitation
71 mm (2.8 in)
Rainy days
12 days
Humidity
69%
Sunshine
183 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Napier typically stay consistent throughout September, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 7°C (45°F) to 9°C (48°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 for Napier in September
Browse day-by-day weather records for Napier spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Napier historical weather extremes in September
Based on 49 years of weather observations in Napier between 1976 and 2025, these are the recorded extremes.
- On September 27, 2003, temperatures climbed to 25°C (77°F), marking the warmest September day on record.
- The coldest September day was on September 3, 1989, with a maximum of 5°C (41°F).
- The coldest night in September in Napier was on September 8, 2015, with a minimum of -2°C (28°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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Napier in September
For Napier in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Napier 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 Napier's climate page.
Temperature Rainfall Sunshine Humidity
See the full Napier climate overview or explore weather in New Zealand.
