September weather forecastDover Heights, Australia

September

Weather in September

The first month of the spring, September, is still a comfortable month in Dover Heights, Australia, with an average temperature varying between 13.2°C (55.8°F) and 19.8°C (67.6°F).

Temperature

As Dover Heights welcomes September, the average high-temperature stabilizes at a still refreshing 19.8°C (67.6°F), showing little deviation from August's 17.4°C (63.3°F). Throughout September, Dover Heights records an average temperature of 13.2°C (55.8°F) at night.

Humidity

The average relative humidity in September is 67%.

Rainfall

September is the month with the least rainfall in Dover Heights. Rain falls for 8.7 days and accumulates 32mm (1.26") of precipitation.

Sea temperature

September is the month with the coldest seawater, with an average sea temperature of 18.6°C (65.5°F).
Note: Swimming is not a pleasant activity for most individuals in 18.6°C (65.5°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day is 11h and 53min.
On the first day of September, sunrise is at 6:12 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.

Sunshine

In Dover Heights, the average sunshine in September is 8.9h.

UV index

June through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 4 during September leads to these advisories:
Take precautions - Protection against sun damage is advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

The average high-temperature, in September, in Dover Heights, is 19.8°C (67.6°F), while the average low-temperature is 13.2°C (55.8°F).

In Dover Heights, the average relative humidity in September is 67%.

The month with the least rainfall is September, when the rain falls for 8.7 days and typically collects 32mm (1.26") of precipitation.

In Dover Heights, in September, it is raining for 8.7 days, with typically 32mm (1.26") of accumulated precipitation.

The month with the coldest seawater is September, with an average sea temperature of 18.6°C (65.5°F).

In Dover Heights, the average seawater temperature in September is 18.6°C (65.5°F). For swimming, a surface water temperature of 18.6°C (65.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The average day length in September is 11h and 53min.

In September, on the first day of the month, sunrise is at 6:12 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.

In September, the average sunshine duration is 8.9h.

The months with the lowest UV index are June through September, with an average maximum UV index of 4.

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dover Heights, Australia

  • Average high temperature in September: 19.8°C

The warmest month (with the highest average high temperature) is January (26.2°C).
The month with the lowest average high temperature is July (16.4°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is January (20.3°C).
The coldest months (with the lowest average low temperature) are July and August (10.9°C).

Average pressure in September
Dover Heights, Australia

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in September
Dover Heights, Australia

  • Average wind speed in September: 16.6km/h

The windiest month (with the highest average wind speed) is August (16.8km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).

Average humidity in September
Dover Heights, Australia

  • Average humidity in September: 67%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Dover Heights, Australia

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is February (95mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in September
Dover Heights, Australia

  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is September (8.7 days).

Average sea temperature in September
Dover Heights, Australia

  • Average sea temperature in September: 18.6°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in September /
Average sunshine in September
Dover Heights, Australia

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in September
Dover Heights, Australia

  • Average sunshine days in September: 19.4 days

The month with the most sunshine days is August (20.4 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in September
Dover Heights, Australia

  • Average UV index in September: 4

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June, July, August and September (UV index 4).

Average cloud cover in September
Dover Heights, Australia

  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Dover Heights, 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).