September weather forecast
Milton, New Zealand

September

Weather in September

September, the first month of the spring in Milton, is a cool month, with temperature in the range of an average high of 10.9°C (51.6°F) and an average low of 4.5°C (40.1°F).

Temperature

The average high-temperature during September is a fresh 10.9°C (51.6°F), almost matching the conditions of the preceding month. Milton's average low-temperature in the month of September is recorded at an icy 4.5°C (40.1°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall in Milton, New Zealand. Rain falls for 14 days and accumulates 26mm (1.02") of precipitation.

Snowfall

Months with snowfall in Milton, New Zealand, are May, July through September. September is the last month it regularly snows. During 0.4 snowfall days, in September, Milton aggregates 7mm (0.28") of snow. Throughout the year, there are 2.1 snowfall days, and 23mm (0.91") of snow is accumulated.

Daylight

In Milton, the average length of the day in September is 11h and 46min.
On the first day of September in Milton, sunrise is at 7:09 am and sunset at 6:10 pm NZST. On the last day of the month, sunrise is at 7:13 am and sunset at 7:47 pm NZDT.
Note: On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. Daylight Saving Time lasts until Sunday, 06. April 2025, at 3:00 am; consequently, the time zone reverts from NZDT to NZST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

The months with the lowest UV index in Milton are April through October, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 in September translates into these instructions:
Be vigilant - Preventing sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What is the temperature in September in Milton?
September temperatures vary between a high-temperature of 10.9°C (51.6°F) and a low-temperature of 4.5°C (40.1°F).
What is the average humidity in September in Milton?
In Milton, New Zealand, the average relative humidity in September is 79%.
What is the driest month in Milton?
September is the month with the least rainfall. Rain falls for 14 days and accumulates 26mm (1.02") of precipitation.
How much does it rain in Milton in September?
In Milton, in September, during 14 rainfall days, 26mm (1.02") of precipitation is typically accumulated.
What is the last month it snows in Milton?
September is the last month it regularly snows in Milton. During 0.4 snowfall days, in September, Milton aggregates 7mm (0.28") of snow.
What is the average length of the day in September in Milton?
The average day length in September in Milton is 11h and 46min.
When is the sunrise / sunset in September in Milton?
On the first day of September in Milton, sunrise is at 7:09 am and sunset at 6:10 pm NZST. On the last day of the month, sunrise is at 7:13 am and sunset at 7:47 pm NZDT.
When does Daylight Saving Time (DST) start in September in Milton?
On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts in Milton, New Zealand, and the time zone changes from NZST to NZDT. DST ends on Sunday, 06. April 2025, at 3:00 am.
How long on average sun shines in September in Milton?
The average sunshine duration in September in Milton is 7.2h.
What are the months with the lowest UV index in Milton?
April through October, with an average maximum UV index of 3, are months with the lowest UV index in Milton, New Zealand.
What is the UV index reading in September in Milton?
The average daily maximum UV index in September in Milton is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Milton, New Zealand
  • Average high temperature in September: 10.9°C

The warmest months (with the highest average high temperature) are January and February (17.3°C).
The month with the lowest average high temperature is July (8.6°C).

  • Average low temperature in September: 4.5°C

The month with the highest average low temperature is January (9.8°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).

Average pressure in September
Milton, New Zealand
  • Average pressure in September: 1009.7mbar

The month with the highest atmospheric pressure is March (1016.1mbar).
The months with the lowest atmospheric pressure are September and November (1009.7mbar).

Average wind speed in September
Milton, New Zealand
  • Average wind speed in September: 16.3km/h

The windiest month (with the highest average wind speed) is October (16.7km/h).
The calmest month (with the lowest average wind speed) is February (13.5km/h).

Average humidity in September
Milton, New Zealand
  • Average humidity in September: 79%

The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are October and November (78%).

Average rainfall in September
Milton, New Zealand
  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Milton, New Zealand
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is October (18.8 days).
The month with the least rainy days is June (13.1 days).

Average snowfall in September
Milton, New Zealand
  • Average snowfall in September: 7mm

The month with the highest snowfall is August (11mm).
The months with the least snowfall are January, February, March, April, June, October, November and December (0mm).

Average snowfall days in September
Milton, New Zealand
  • Average snowfall days in September: 0.4 days

The month with the highest number of snowfall days is August (0.7 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Milton, New Zealand
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).

Average sunshine days in September
Milton, New Zealand
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is November (8.5 days).

Average UV index in September
Milton, New Zealand
  • Average UV index in September: 3

The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).

Average cloud cover in September
Milton, New Zealand
  • Average cloud cover in September: 43

The months with the most cloud cover are October and November (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 42).

Average visibility in September
Milton, New Zealand
  • Average visibility in September: 9km

The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).

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