New ZealandAverage weather for Hamilton in September
It's cool to moderate in September in Hamilton with an average temperature of 16°C. Temperatures this month range from a low of 15°C to a high of 18°C. At night, you can expect temperatures between 6°C and 11°C.
Start of September
The month of September starts in Hamilton with cool temps, averaging around 16°C during the day and nights around 9°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid September
By mid-September, daytime temps rise to around 17°C, with nights around 9°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Hamilton is around 17°C, while nighttime temps are about 10°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In September, there is an average of 111 mm of precipitation, spread over 15 days. The wind speed is around 5 Bft, mostly coming from the South.
Hamilton in September |
New York | ||
|---|---|---|---|
 Average temperature |
16°C | 27°C | |
 Max. temperature |
18°C | 31°C | |
| Min. temperature |
15°C | -5°C | |
 Total precipitation |
111 mm | 57 mm | |
| Rainy days |
15 days | 9 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 Hamilton?
Looking for sun and warm weather? September isn’t a good month to be in Hamilton. The temperatures are too low for a warm stay this month.
Temperature records
With 23°C in 2023, Hamilton reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 15°C.
Check out the climate of Hamilton for all months and discover the best travel time
Daily Temperature in September in Hamilton
This chart shows the average daily high and low temperatures in September for Hamilton, 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 Hamilton
The chart below shows the average daily precipitation in September for Hamilton, 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 15 days of precipitation in Hamilton.
Daily UV index in September in Hamilton
This chart shows the average daily UV index in September in Hamilton, 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 Hamilton over the years
This chart shows the average temperature in September in Hamilton, measured in degrees Celsius, over the past few years.
Total precipitation in September in Hamilton over the years
This chart shows the average precipitation in September in Hamilton, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Hamilton
Click on any day in September to get detailed info about the usual weather on that day in Hamilton. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Hamilton
Have you been to Hamilton in September?
Share your weather experience in September in Hamilton.
Average weather in Hamilton by month
Click on a month below to see detailed weather info for Hamilton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
