September weather forecastEncounter Bay, Australia

September

Weather in September

September, the first month of the spring in Encounter Bay, is a comfortable month, with an average temperature fluctuating between 10.5°C (50.9°F) and 16.3°C (61.3°F).

Temperature

September's onset brings an average high-temperature of an enjoyable 16.3°C (61.3°F), showing a minute difference from August's 14.5°C (58.1°F). In September, Encounter Bay experiences a temperature dip to an average of 10.5°C (50.9°F) at night.

Humidity

In September, the average relative humidity is 70%.

Rainfall

In Encounter Bay, in September, it is raining for 13.1 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Encounter Bay, there are 142.7 rainfall days, and 303mm (11.93") of precipitation is accumulated.

Sea temperature

In Encounter Bay, in September, the average water temperature is 14.4°C (57.9°F).
Note: In 14.4°C (57.9°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.

Daylight

In September, the average length of the day is 11h and 52min.
On the first day of September, sunrise is at 6:34 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 6:18 pm ACST.

Sunshine

In Encounter Bay, the average sunshine in September is 7.4h.

UV index

The months with the lowest UV index in Encounter Bay, Australia, are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The high-temperature in Encounter Bay, Australia, during September is 16.3°C (61.3°F) and the low-temperature is 10.5°C (50.9°F).

In September, the average relative humidity in Encounter Bay is 70%.

In Encounter Bay, during September, the rain falls for 13.1 days and regularly aggregates up to 25mm (0.98") of precipitation.

In Encounter Bay, Australia, the average seawater temperature in September is 14.4°C (57.9°F). Swimming in 14.4°C (57.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

The average day length in September in Encounter Bay is 11h and 52min.

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 5:56 pm. On the last day of the month, in Encounter Bay, sunrise is at 5:52 am and sunset at 6:18 pm ACST.

The average sunshine duration in September in Encounter Bay is 7.4h.

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

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

  • Average high temperature in September: 16.3°C

The warmest month (with the highest average high temperature) is January (24.3°C).
The month with the lowest average high temperature is July (14.1°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is January (17.3°C).
The coldest month (with the lowest average low temperature) is August (9.8°C).

Average pressure in September
Encounter Bay, Australia

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is June (1021.5mbar).
The month with the lowest atmospheric pressure is January (1012.7mbar).

Average wind speed in September
Encounter Bay, Australia

  • Average wind speed in September: 16.7km/h

The windiest month (with the highest average wind speed) is August (17.8km/h).
The calmest month (with the lowest average wind speed) is April (13.7km/h).

Average humidity in September
Encounter Bay, Australia

  • Average humidity in September: 70%

The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (63%).

Average rainfall in September
Encounter Bay, Australia

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is May (39mm).
The driest month (with the least rainfall) is February (14mm).

Average rainfall days in September
Encounter Bay, Australia

  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (6.9 days).

Average sea temperature in September
Encounter Bay, Australia

  • Average sea temperature in September: 14.4°C

The best month for swimming (with the highest average sea temperature) is January (19.6°C).
The coldest month (with the lowest average sea temperature) is August (14°C).

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

  • Average daylight in September: 11h and 54min

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 and 24min

The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are May and June (Average sunshine: 6h and 48min).

Average sunshine days in September
Encounter Bay, Australia

  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in September
Encounter Bay, Australia

  • Average UV index in September: 4

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

Average cloud cover in September
Encounter Bay, Australia

  • Average cloud cover in September: 38

The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 25).

Average visibility in September
Encounter Bay, 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).