September weather forecast
Booker Bay, Australia

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Weather in September

The first month of the spring, September, is an agreeable month in Booker Bay, Australia, with an average temperature varying between 12.3°C (54.1°F) and 20.3°C (68.5°F).

Temperature

The average high-temperature during September registers at a pleasant 20.3°C (68.5°F), closely corresponding to the preceding month. Booker Bay's nights in September experience an average temperature drop to a fresh 12.3°C (54.1°F).

Humidity

The average relative humidity in September in Booker Bay, Australia, is 68%.

Rainfall

In Booker Bay, Australia, during September, the rain falls for 9.9 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, in Booker Bay, there are 156.9 rainfall days, and 628mm (24.72") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 18.6°C (65.5°F), September is the month with the coldest seawater in Booker Bay.
Note: The majority of individuals find swimming in 18.6°C (65.5°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases 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 in Booker Bay, 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

The average sunshine in September is 8.9h.

UV index

The months with the lowest UV index in Booker Bay are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 during September translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the average September temperature in Booker Bay?

The average high-temperature, in September, in Booker Bay, is 20.3°C (68.5°F), while the average low-temperature is 12.3°C (54.1°F). In January, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 29°C (84.2°F).

What is the average humidity in September in Booker Bay?

In September, the average relative humidity in Booker Bay, Australia, is 68%.

How much does it rain in Booker Bay in September?

In Booker Bay, in September, it is raining for 9.9 days, with typically 43mm (1.69") of accumulated precipitation.

What is the month with the coldest sea water in Booker Bay?

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

What is the sea water temperature in September in Booker Bay?

In September, the average sea temperature in Booker Bay 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).

How many hours of daylight does Booker Bay have in September?

In Booker Bay, the average day length in September is 11h and 53min.

When are sunrise and sunset in September in Booker Bay?

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, in Booker Bay, Australia, sunrise is at 5:32 am and sunset at 5:56 pm AEST.

How long on average sun shines in September in Booker Bay?

In Booker Bay, Australia, the average sunshine duration in September is 8.9h.

When is the lowest UV index in Booker Bay?

May through September, with an average maximum UV index of 4, are months with the lowest UV index in Booker Bay.

What is the UV index intensity in September in Booker Bay?

In Booker Bay, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Booker Bay, Australia

Average temperature in September - Booker Bay, Australia
  • Average high temperature in September: 20.3°C

The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).

  • Average low temperature in September: 12.3°C

The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).

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Average pressure in September
Booker Bay, Australia

Average pressure in September - Booker Bay, Australia
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

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Average wind speed in September
Booker Bay, Australia

Average wind speed in September - Booker Bay, Australia
  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).

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Average humidity in September
Booker Bay, Australia

Average humidity in September - Booker Bay, Australia
  • Average humidity in September: 68%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in September
Booker Bay, Australia

Average rainfall in September - Booker Bay, Australia
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).

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Average rainfall days in September
Booker Bay, Australia

Average rainfall days in September - Booker Bay, Australia
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).

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Average sea temperature in September
Booker Bay, Australia

Average sea temperature in September - Booker Bay, 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).

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Average daylight in September /
Average sunshine in September
Booker Bay, Australia

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

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

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Average sunshine days in September
Booker Bay, Australia

Average sunshine days in September - Booker Bay, Australia
  • Average sunshine days in September: 18 days

The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).

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Average UV index in September
Booker Bay, Australia

Average UV index in September - Booker Bay, Australia
  • Average UV index in September: 4

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

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Average cloud cover in September
Booker Bay, Australia

Average cloud cover in September - Booker Bay, 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).

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Average visibility in September
Booker Bay, Australia

Average visibility in September - Booker Bay, Australia
  • Average visibility in September: 10km

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

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Booker Bay, Australia

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