September weather forecast
Mornington, Australia

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Weather in September

The first month of the spring, September, is also a moderate month in Mornington, Australia, with temperature in the range of an average high of 15.4°C (59.7°F) and an average low of 9.4°C (48.9°F).

Temperature

August's transformation into September witnesses an average high-temperature of a still mild 15.4°C (59.7°F), noting a minor change from the preceding month. In September, Mornington's temperature tends to fall to an average low of 9.4°C (48.9°F) during the night.

Humidity

In Mornington, the average relative humidity in September is 74%.

Rainfall

In Mornington, during September, the rain falls for 17.3 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, in Mornington, there are 177.5 rainfall days, and 562mm (22.13") of precipitation is accumulated.

Sea temperature

In Mornington, the average seawater temperature in September is 13.8°C (56.8°F).
Note: Swimming in 13.8°C (56.8°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

The average length of the day in September in Mornington is 11h and 50min.
On the first day of September in Mornington, sunrise is at 6:41 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:23 pm AEST.

Sunshine

The average sunshine in September in Mornington is 7.2h.

UV index

In Mornington, Australia, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the 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.

Frequently asked questions

What are the temperatures in Mornington in September?

Mornington in September has an average high-temperature of 15.4°C (59.7°F) and an average low-temperature of 9.4°C (48.9°F).

What is the average humidity in September in Mornington?

The average relative humidity in September in Mornington is 74%.

How much does it rain in Mornington in September?

In September, in Mornington, Australia, the rain falls for 17.3 days. Throughout September, 52mm (2.05") of precipitation is accumulated.

What is the sea water temperature in September in Mornington?

In Mornington, in September, the average water temperature is 13.8°C (56.8°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

The average day length in September in Mornington is 11h and 50min.

When are sunrise and sunset in September in Mornington?

On the first day of September in Mornington, Australia, sunrise is at 6:41 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:23 pm AEST.

How long on average sun shines in September in Mornington?

The average sunshine duration in September is 7.2h.

How high is the UV index in September in Mornington?

The average daily maximum UV index in September in Mornington is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Mornington, Australia

Average temperature in September - Mornington, Australia
  • Average high temperature in September: 15.4°C

The warmest months (with the highest average high temperature) are January and February (23.4°C).
The month with the lowest average high temperature is July (13°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is February (16.2°C).
The coldest months (with the lowest average low temperature) are July and August (8.6°C).

Average pressure in September
Mornington, Australia

Average pressure in September - Mornington, Australia
  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).

Average wind speed in September
Mornington, Australia

Average wind speed in September - Mornington, Australia
  • Average wind speed in September: 17.1km/h

The windiest months (with the highest average wind speed) are July and August (18.6km/h).
The calmest months (with the lowest average wind speed) are January, March and December (14km/h).

Average humidity in September
Mornington, Australia

Average humidity in September - Mornington, Australia
  • Average humidity in September: 74%

The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is January (68%).

Average rainfall in September
Mornington, Australia

Average rainfall in September - Mornington, Australia
  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is March (34mm).

Average rainfall days in September
Mornington, Australia

Average rainfall days in September - Mornington, Australia
  • Average rainfall days in September: 17.3 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is January (10.1 days).

Average sea temperature in September
Mornington, Australia

Average sea temperature in September - Mornington, Australia
  • Average sea temperature in September: 13.8°C

The best month for swimming (with the highest average sea temperature) is February (18.7°C).
The coldest month (with the lowest average sea temperature) is August (13.7°C).

Average daylight in September /
Average sunshine in September
Mornington, Australia

Average daylight in September / Average sunshine in September - Mornington, Australia
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 6h and 24min).

Average sunshine days in September
Mornington, Australia

Average sunshine days in September - Mornington, Australia
  • Average sunshine days in September: 9.9 days

The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is August (9.4 days).

Average UV index in September
Mornington, Australia

Average UV index in September - Mornington, Australia
  • Average UV index in September: 4

The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).

Average cloud cover in September
Mornington, Australia

Average cloud cover in September - Mornington, Australia
  • Average cloud cover in September: 44

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 31).

Average visibility in September
Mornington, Australia

Average visibility in September - Mornington, Australia
  • 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).

Mornington, Australia

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