New ZealandAverage weather for Aoraki/Mount Cook in September
It's cold in September in Aoraki/Mount Cook with an average temperature of 9°C. Temperatures this month range from a low of 7°C to a high of 10°C. At night, you can expect temperatures between -3°C and 1°C.
Start of September
The month of September starts in Aoraki/Mount Cook with cold temps, averaging around 8°C during the day and nights around -1°C. There are plenty of days with a good chance of precipitation.
Mid September
By mid-September, daytime temps rise to around 9°C, with nights around 0°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Aoraki/Mount Cook is around 10°C, while nighttime temps are about 0°C. There’s a significant chance of many days with precipitation.
In September, there is an average of 233 mm of precipitation, spread over 14 days. Of the total precipitation, about 15 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the West.
Aoraki/Mount Cook in September |
New York | ||
|---|---|---|---|
 Average temperature |
9°C | 27°C | |
 Max. temperature |
10°C | 31°C | |
| Min. temperature |
7°C | -5°C | |
 Total precipitation |
233 mm | 57 mm | |
| Rainy days |
14 days | 9 days | |
 Total snowfall |
15 cm | 0 cm | |
| Snowy days |
8 days | 0 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 Aoraki/Mount Cook?
Looking for sun? September isn’t a good month to be in Aoraki/Mount Cook. There’s too much chance of rain this month.
Temperature records
With 22°C in 2020, Aoraki/Mount Cook reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was -2°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -12°C to a highest value of 9°C.
Check out the climate of Aoraki/Mount Cook for all months and discover the best travel time
Daily Temperature in September in Aoraki/Mount Cook
This chart shows the average daily high and low temperatures in September for Aoraki/Mount Cook, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Aoraki/Mount Cook
The chart below shows the average daily precipitation in September for Aoraki/Mount Cook, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 14 days of precipitation in Aoraki/Mount Cook.
Daily Snowfall in September in Aoraki/Mount Cook
This chart shows the average daily snowfall in September in Aoraki/Mount Cook, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.
Daily UV index in September in Aoraki/Mount Cook
This chart shows the average daily UV index in September in Aoraki/Mount Cook, 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 Aoraki/Mount Cook over the years
This chart shows the average temperature in September in Aoraki/Mount Cook, measured in degrees Celsius, over the past few years.
Total precipitation in September in Aoraki/Mount Cook over the years
This chart shows the average precipitation in September in Aoraki/Mount Cook, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in September in Aoraki/Mount Cook per year
This chart shows the average snowfall in September in Aoraki/Mount Cook, measured in centimeters, over the past few years.
Daily weather in September for Aoraki/Mount Cook
Click on any day in September to get detailed info about the usual weather on that day in Aoraki/Mount Cook. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Aoraki/Mount Cook
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Average weather in Aoraki/Mount Cook by month
Click on a month below to see detailed weather info for Aoraki/Mount Cook. 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 Aoraki/Mount Cook for all months at once
