Temperatures in September
It's cool in September in Wellington with an average temperature of 14°C. Temperatures this month range from a low of 13°C to a high of 16°C. At night, you can expect temperatures between 7°C and 11°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Wellington in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Wellington with cool temperatures, averaging around 14°C during the day and nights close to 9°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature rises to around 15°C, with nights close to 10°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of September
By the end of September, the average daytime temperature in Wellington will be around 15°C, with nights close to 9°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Water temperature
The water temperature at Wellington is 14°C this month. This is too cold to swim without protective gear.
Precipitation in September
In September, there is an average of 109 mm of precipitation, spread over 12 days. The wind speed is around 5 Bft, mostly coming from the South.
The average precipitation chance is 40% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Wellington. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Wellington in September |
London | ||
|---|---|---|---|
 Average Temperature |
14°C | 20°C | |
 High Temp |
16°C | 22°C | |
| Low Temp |
13°C | 17°C | |
 Total Precipitation |
109 mm | 44 mm | |
| Rainy Days |
12 days | 8 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Wellington?
After some sun? Then September isn’t the best time to be in Wellington. There’s too much chance of rain this month.
Temperature records for Wellington in September
With 23°C, Wellington hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 9°C in 2016. The extreme night temperatures ranged from a low of -1°C to a high of 15°C.
Check out the climate of Wellington for all months and discover the best travel time
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Daily Temperature in September in Wellington
This chart shows the average daily temperatures, both day and night, for each day in September in Wellington, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Weather experiences in September in Wellington
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Spring seems to be approaching, but the fluctuations remain.... more
Daily Precipitation in September in Wellington
The chart below shows the average daily precipitation in September for Wellington, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 12 days of rain in Wellington.
Daily UV Index in September in Wellington
This chart shows the average daily UV index in September in Wellington, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Wellington Over the Years
This chart shows the average temperature in September in Wellington, measured in degrees Celsius, over the past years.
Total Precipitation in September in Wellington Over the Years
This chart shows the average precipitation in September in Wellington, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Wellington
Click on a specific day in September for detailed info on the typical weather on that day in Wellington. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Wellington
The weather in September in Wellington is rated 3 out of 5 stars by 1 visitor. Have you been to Wellington? Share your weather experience to help other visitors.
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Spring seems to be approaching, but the fluctuations remain. On the one hand there are fresh sunny days, on the other there are rain and strong winds. Dress flexibly!— This text is automatically translated to English
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Average Weather in Wellington by Month
Click on a month below to see detailed weather info for Wellington. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Wellington for all months at once
