September weather forecastMerrylands, Australia
September
Weather in September
The first month of the spring, September, is a pleasant month in Merrylands, Australia, with an average temperature fluctuating between 21.6°C (70.9°F) and 10.6°C (51.1°F).Temperature
In September, the meteorological conditions subtly change with the average high-temperature edging from a comfortable 18.3°C (64.9°F) in August to a pleasant 21.6°C (70.9°F). During September nights, Merrylands witnesses a consistent average temperature of 10.6°C (51.1°F).Humidity
With an average relative humidity of 65%, September is the least humid month in Merrylands, Australia.Rainfall
In September, in Merrylands, the rain falls for 9.1 days. Throughout September, 29mm (1.14") of precipitation is accumulated. Throughout the year, in Merrylands, there are 149.1 rainfall days, and 546mm (21.5") of precipitation is accumulated.Daylight
In Merrylands, Australia, the average length of the day in September is 11h and 53min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:38 pm. On the last day of September, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Sunshine
The average sunshine in September in Merrylands is 8.6h.UV index
The months with the lowest UV index in Merrylands are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Merrylands, Australia
- Average high temperature in September: 21.6°C
The warmest month (with the highest average high temperature) is January (29.2°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in September
Merrylands, Australia
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Merrylands, Australia
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).
Average humidity in September
Merrylands, Australia
- Average humidity in September: 65%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Merrylands, Australia
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is February (87mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in September
Merrylands, Australia
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in September /
Average sunshine in September
Merrylands, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are November and December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Merrylands, Australia
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is August (21 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Merrylands, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, November 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
Merrylands, Australia
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Merrylands, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
