Ballina
Australia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ballina, Australia

September, the first month of the spring, in Ballina, is a pleasant month, with average temperature varying between 21.4°C (70.5°F) and 15.6°C (60.1°F).

Temperature

In September, the average high-temperature is practically the same as in August - an agreeable 21.4°C (70.5°F). In Ballina, in September, the average low-temperature is 15.6°C (60.1°F).

Humidity

In Ballina, the average relative humidity is 71%.

Rainfall

September is the month with the least rainfall in Ballina. Rain falls for 10.5 days and accumulates 29mm (1.14") of precipitation.

Sea temperature

In Ballina, the average water temperature is 21.9°C (71.4°F).
Note: For swimming, a surface water temperature of 21.9°C (71.4°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 Ballina, Australia, the average length of the day is 11.9h.

Sunshine

In September, the average sunshine is 9.1h.

UV index

April through September, with an average maximum UV index of 5, are months with the lowest UV index in Ballina. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Ballina?

In Ballina, Australia, in September, the average high-temperature is 21.4°C (70.5°F), and the average low-temperature is 15.6°C (60.1°F).

What is the average humidity in September in Ballina?

The average relative humidity in September in Ballina, Australia, is 71%.

How many days does it rain in September in Ballina?

In Ballina, Australia, during September, the rain falls for 10.5 days and regularly aggregates up to 29mm (1.14") of precipitation.

What is the driest month in Ballina?

The month with the least rainfall is September when the rain falls for 10.5 days and typically collects 29mm (1.14") of precipitation.

How cold is the water in September in Ballina?

In Ballina, Australia, in September, the average water temperature is 21.9°C (71.4°F). Swimming in 21.9°C (71.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Ballina have in September?

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

How many hours of sunshine does Ballina have in September?

In Ballina, the average sunshine in September is 9.1h.

What are the months with the lowest UV index in Ballina?

Months with the lowest UV index in Ballina, Australia, are April through September, with an average maximum UV index of 5.

What is the UV index intensity in September in Ballina?

In Ballina, Australia, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Ballina, Australia
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is January (26.5°C).
The month with the lowest average high temperature is July (18.3°C).

  • Average low temperature in September: 15.6°C

Months with the highest average low temperature are January and February (21.8°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).

Average humidity in September - Ballina, Australia
  • Average humidity in September: 71%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September - Ballina, Australia
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is February (123mm).
The driest month (with the lowest rainfall) is September (29mm).

Average rainfall days in September - Ballina, Australia
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is March (23.1 days).
The month with the lowest number of rainy days is September (10.5 days).

Average sea temperature in September - Ballina, Australia
  • Average sea temperature in September: 21.9°C

The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is August (21.5°C).

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

The month with the longest days is December (Average daylight: 14h).
The month with shortest days is June (Average daylight: 10.3h).

  • Average sunshine in September: 9.1h

The month with most sunshine is November (Average sunshine: 10.5h).
The month with least sunshine is June (Average sunshine: 5.8h).

Average UV index in September - Ballina, Australia
  • Average UV index in September: 5

Months with the highest UV index are January, February, March, October, November and December (UV index 6).
Months with the lowest UV index are April, May, June, July, August and September (UV index 5).