September weather forecastMiriam Vale, Australia

September

Weather in September

The first month of the spring, September, is a warm month in Miriam Vale, Australia, with an average temperature fluctuating between 17.4°C (63.3°F) and 24°C (75.2°F).

Temperature

The shift into September finds Miriam Vale at an average high-temperature of a moderately hot 24°C (75.2°F), closely comparable to August's conditions. September is noted for a mean low-temperature of 17.4°C (63.3°F).

Humidity

In Miriam Vale, the average relative humidity in September is 70%.

Rainfall

The month with the least rainfall in Miriam Vale is September, when the rain falls for 6.2 days and typically collects 13mm (0.51") of precipitation.

Daylight

The average length of the day in September in Miriam Vale is 11h and 57min.
On the first day of September, sunrise is at 6:04 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 5:52 pm AEST.

Sunshine

In Miriam Vale, the average sunshine in September is 8.7h.

UV index

In Miriam Vale, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during September leads to these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

The average high-temperature and low-temperature during September are 24°C (75.2°F) and 17.4°C (63.3°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in March is appraised at 31°C (87.8°F).

The average relative humidity in September in Miriam Vale is 70%.

The month with the least rainfall in Miriam Vale is September, when the rain falls for 6.2 days and typically collects 13mm (0.51") of precipitation.

In Miriam Vale, Australia, in September, it is raining for 6.2 days, with typically 13mm (0.51") of accumulated precipitation.

In Miriam Vale, the average day length in September is 11h and 57min.

On the first day of September, sunrise is at 6:04 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 5:52 pm AEST.

The average sunshine duration in September in Miriam Vale is 8.7h.

In Miriam Vale, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Miriam Vale, Australia

  • Average high temperature in September: 24°C

The warmest month (with the highest average high temperature) is January (29°C).
The month with the lowest average high temperature is July (21.1°C).

  • Average low temperature in September: 17.4°C

The months with the highest average low temperature are January and February (23.6°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).

Average pressure in September
Miriam Vale, Australia

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is January (1010.4mbar).

Average wind speed in September
Miriam Vale, Australia

  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is March (17.7km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).

Average humidity in September
Miriam Vale, Australia

  • Average humidity in September: 70%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
Miriam Vale, Australia

  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is February (91mm).
The driest month (with the least rainfall) is September (13mm).

Average rainfall days in September
Miriam Vale, Australia

  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is September (6.2 days).

Average daylight in September /
Average sunshine in September
Miriam Vale, Australia

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is November (Average sunshine: 10h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 36min).

Average sunshine days in September
Miriam Vale, Australia

  • Average sunshine days in September: 20.4 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is February (6.5 days).

Average UV index in September
Miriam Vale, Australia

  • Average UV index in September: 6

The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 5).

Average cloud cover in September
Miriam Vale, Australia

  • Average cloud cover in September: 19

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in September
Miriam Vale, 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).