Booker Bay
Australia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Booker Bay, Australia

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

Temperature

In September, the average high-temperature is practically the same as in August - a pleasant 20.3°C (68.5°F). In Booker Bay, in September, the average low-temperature is 12.3°C (54.1°F).

Humidity

The average relative humidity 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. In Booker Bay, Australia, during the entire year, the rain falls for 156.9 days and collects up to 628mm (24.72") of precipitation.

Sea temperature

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

Daylight

In September, the average length of the day in Booker Bay is 11.9h.

Sunshine

In Booker Bay, the average sunshine is 8.9h.

UV index

May through September, with an average maximum UV index of 4, are months with the lowest UV index in Booker Bay. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Booker Bay?

The average high-temperature, in September, is 20.3°C (68.5°F), while the average low-temperature is 12.3°C (54.1°F).

What is the average humidity in September in Booker Bay?

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

How many days does it rain in September in Booker Bay?

In September, in Booker Bay, the rain falls for 9.9 days. Throughout September, 43mm (1.69") of precipitation is accumulated.

What month is the sea coldest in Booker Bay?

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

What is the sea temperature in September in Booker Bay?

In September, the average sea temperature in Booker Bay, Australia, 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?

The average length of the day in September in Booker Bay is 11.9h.

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

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

What are the months with 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.

How high is the UV index in September in Booker Bay?

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

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%).

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 lowest rainfall) is August (34mm).

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 lowest number of rainy days is August (9.2 days).

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).

Average daylight in September / Average sunshine in September - Booker Bay, Australia
  • Average daylight in September: 11.9h

The month with the longest days is December (Average daylight: 14.3h).
The month with shortest days is June (Average daylight: 10h).

  • Average sunshine in September: 8.9h

The month with most sunshine is November (Average sunshine: 9.8h).
The month with least sunshine is June (Average sunshine: 5.8h).

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

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