September weather forecast
Batemans Bay, Australia

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Weather in September

September denotes a change in weather with the onset of spring and temperature highs moving up to 20.3°C (68.5°F). Humidity levels see an increase from August, indicative of the transitional phase from winter to spring. Rainfall receives a slight boost, suggesting the replenishment of flora and fauna. The city starts to bask in increased daylight hours as the spring season takes hold. While the sea temperature remains relatively chilly, visits to the beach are not uncommon.

Temperature

The advent of September brings an average high-temperature of an agreeable 20.3°C (68.5°F), exhibiting minor difference from the previous month. Batemans Bay's nighttime average of 7.3°C (45.1°F) during September reflects a substantial decrease from the daytime temperature.

Humidity

In September, the average relative humidity in Batemans Bay is 57%.

Rainfall

In Batemans Bay, in September, during 8.7 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Batemans Bay, Australia, during the entire year, the rain falls for 114 days and collects up to 891mm (35.08") of precipitation.

Sea temperature

In September, the average sea temperature is 17.8°C (64°F).
Note: In water with a temperature of 17.8°C (64°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Batemans Bay, the average length of the day in September is 11h and 52min.
On the first day of September, sunrise is at 6:18 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 6:01 pm AEST.

Sunshine

In September, the average sunshine is 7h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the usual temperature for Batemans Bay in September?

During September, Batemans Bay experiences an average high-temperature of 20.3°C (68.5°F) and a low-temperature of 7.3°C (45.1°F).

What is the average humidity in September in Batemans Bay?

In Batemans Bay, Australia, the average relative humidity in September is 57%.

How much does it rain in Batemans Bay in September?

In September, in Batemans Bay, the rain falls for 8.7 days. Throughout September, 59mm (2.32") of precipitation is accumulated.

How cold is the water in September in Batemans Bay?

In Batemans Bay, the average seawater temperature in September is 17.8°C (64°F). For swimming, a surface water temperature of 17.8°C (64°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 Batemans Bay have in September?

In September, the average day length is 11h and 52min.

When are sunrise and sunset in September in Batemans Bay?

On the first day of September in Batemans Bay, Australia, sunrise is at 6:18 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 6:01 pm AEST.

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

In Batemans Bay, Australia, the average sunshine duration in September is 7h.

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

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Batemans Bay, Australia

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

The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (16.9°C).

  • Average low temperature in September: 7.3°C

The month with the highest average low temperature is February (15.9°C).
The coldest month (with the lowest average low temperature) is July (3.7°C).

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Average humidity in September
Batemans Bay, Australia

Average humidity in September - Batemans Bay, Australia
  • Average humidity in September: 57%

The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in September
Batemans Bay, Australia

Average rainfall in September - Batemans Bay, Australia
  • Average rainfall in September: 59.4mm

The wettest month (with the highest rainfall) is February (107.7mm).
The driest month (with the least rainfall) is July (42.2mm).

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Average rainfall days in September
Batemans Bay, Australia

Average rainfall days in September - Batemans Bay, Australia
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (6.4 days).

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Average sea temperature in September
Batemans Bay, Australia

Average sea temperature in September - Batemans Bay, Australia
  • Average sea temperature in September: 17.8°C

The best month for swimming (with the highest average sea temperature) is February (22.8°C).
The coldest month (with the lowest average sea temperature) is August (17°C).

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

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

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in September: 7h

The months with the most sunshine are January, October, November and December (Average sunshine: 8h).
The month with the least sunshine is June (Average sunshine: 5h).

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Average UV index in September
Batemans Bay, Australia

Average UV index in September - Batemans Bay, Australia
  • Average UV index in September: 5

The month with the highest UV index is January (UV index 12).
The months with the lowest UV index are June and July (UV index 2).

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Batemans Bay, Australia

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