September weather forecast
Dunedin, New Zealand

Weather in September

The first month of the spring, September, is a fresh month in Dunedin, New Zealand, with an average temperature ranging between min 6.8°C (44.2°F) and max 10.5°C (50.9°F).

Temperature

In Dunedin, New Zealand, the average high-temperature in September is almost the same as in August - a fresh 10.5°C (50.9°F). The average low-temperature, in Dunedin, is 6.8°C (44.2°F).

Humidity

In September, the average relative humidity in Dunedin, New Zealand, is 77%.

Rainfall

The month with the least rainfall in Dunedin is September, when the rain falls for 11.4 days and typically collects 16mm (0.63") of precipitation.

Snowfall

January through July, September through December are months without snowfall in Dunedin.

Sea temperature

In Dunedin, New Zealand, the average water temperature is 9.3°C (48.7°F).
Note: Swimming in 9.3°C (48.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in September is 11h and 46min.
On the first day of September in Dunedin, sunrise is at 7:07 am and sunset at 6:08 pm NZST. On the last day of the month, sunrise is at 7:12 am and sunset at 7:44 pm NZDT.
Note: On Sunday, 25. September 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. Daylight Saving Time lasts until Sunday, 02. April 2023, at 3:00 am; consequently, the time zone reverts from NZDT to NZST.

Sunshine

The average sunshine in September is 7.3h.

UV index

April through October, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Dunedin?

In September, the average high-temperature is 10.5°C (50.9°F), and the average low-temperature is 6.8°C (44.2°F).

What is the average humidity in September in Dunedin?

The average relative humidity in September in Dunedin, New Zealand, is 77%.

What is the driest month in Dunedin?

September is the month with the least rainfall in Dunedin, New Zealand. Rain falls for 11.4 days and accumulates 16mm (0.63") of precipitation.

How much does it rain in Dunedin in September?

In Dunedin, New Zealand, in September, during 11.4 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

When it does not snow in Dunedin?

January through July, September through December are months without snowfall in Dunedin, New Zealand.

Does it snow in Dunedin in September?

In September, it doesn't snow. August is the latest month when it typically snows.

What is the water temperature in September in Dunedin?

In Dunedin, New Zealand, in September, the average water temperature is 9.3°C (48.7°F). Swimming in 9.3°C (48.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in September in Dunedin?

The average day length in September is 11h and 46min.

What time are sunrise and sunset in September in Dunedin?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 6:08 pm NZST. On the last day of the month, in Dunedin, sunrise is at 7:12 am and sunset at 7:44 pm NZDT.

When does Daylight Saving Time (DST) start in September in Dunedin?

On Sunday, 25. September 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. DST ends on Sunday, 02. April 2023, at 3:00 am.

How long on average sun shines in September in Dunedin?

In Dunedin, New Zealand, the average sunshine duration in September is 7.3h.

When is the lowest UV index in Dunedin?

April through October, with an average maximum UV index of 3, are months with the lowest UV index in Dunedin, New Zealand.

What is the UV index reading in September in Dunedin?

In Dunedin, New Zealand, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Average temperature in September
Dunedin, New Zealand

Average temperature in September - Dunedin, New Zealand
  • Average high temperature in September: 10.5°C

The warmest month (with the highest average high temperature) is February (15.8°C).
The month with the lowest average high temperature is July (9.2°C).

  • Average low temperature in September: 6.8°C

The month with the highest average low temperature is February (11.7°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).

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Average pressure in September
Dunedin, New Zealand

Average pressure in September - Dunedin, New Zealand
  • Average pressure in September: 1009.8mbar

The month with the highest atmospheric pressure is March (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

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Average wind speed in September
Dunedin, New Zealand

Average wind speed in September - Dunedin, New Zealand
  • Average wind speed in September: 21.1km/h

The windiest month (with the highest average wind speed) is June (21.8km/h).
The calmest month (with the lowest average wind speed) is February (18.4km/h).

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Average humidity in September
Dunedin, New Zealand

Average humidity in September - Dunedin, New Zealand
  • Average humidity in September: 77%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is July (76%).

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Average rainfall in September
Dunedin, New Zealand

Average rainfall in September - Dunedin, New Zealand
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is February (43mm).
The driest month (with the least rainfall) is September (16mm).

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Average rainfall days in September
Dunedin, New Zealand

Average rainfall days in September - Dunedin, New Zealand
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is October (15.6 days).
The month with the least rainy days is March (11.1 days).

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Average snowfall in September
Dunedin, New Zealand

Average snowfall in September - Dunedin, New Zealand
  • Average snowfall in September: 0mm

The month with the highest snowfall is August (3mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).

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Average snowfall days in September
Dunedin, New Zealand

Average snowfall days in September - Dunedin, New Zealand
  • Average snowfall days in September: 0.2 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, May, October and December (0 days).

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Average sea temperature in September
Dunedin, New Zealand

Average sea temperature in September - Dunedin, New Zealand
  • Average sea temperature in September: 9.3°C

The best month for swimming (with the highest average sea temperature) is February (13.8°C).
The coldest month (with the lowest average sea temperature) is August (9.2°C).

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Average daylight in September /
Average sunshine in September
Dunedin, New Zealand

Average daylight in September / Average sunshine in September - Dunedin, New Zealand
  • Average daylight in September: 11h and 46min

The month with the longest days is December (Average daylight: 15h and 40min).
The month with the shortest days is June (Average daylight: 8h and 43min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is December (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).

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Average sunshine days in September
Dunedin, New Zealand

Average sunshine days in September - Dunedin, New Zealand
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is January (13.4 days).

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Average UV index in September
Dunedin, New Zealand

Average UV index in September - Dunedin, New Zealand
  • Average UV index in September: 3

The months with the highest UV index are January, February, March, November and December (UV index 4).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).

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Average cloud cover in September
Dunedin, New Zealand

Average cloud cover in September - Dunedin, New Zealand
  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 40).

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Average visibility in September
Dunedin, New Zealand

Average visibility in September - Dunedin, New Zealand
  • Average visibility in September: 10km

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

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