September weather forecastMernda, Australia
September
Weather in September
The first month of the spring, September, is a comfortable month in Mernda, Australia, with temperature in the range of an average high of 16°C (60.8°F) and an average low of 7.4°C (45.3°F).Temperature
Mernda's average high-temperature in September is a comfortable 16°C (60.8°F), marking an insignificant difference from the 13.4°C (56.1°F) of August. September brings Mernda a consistent average low-temperature of 7.4°C (45.3°F).Humidity
In September, the average relative humidity in Mernda is 74%.Rainfall
In Mernda, during September, the rain falls for 16.2 days and regularly aggregates up to 39mm (1.54") of precipitation. In Mernda, during the entire year, the rain falls for 163.4 days and collects up to 465mm (18.31") of precipitation.Daylight
In Mernda, the average length of the day in September is 11h and 51min.On the first day of September in Mernda, sunrise is at 6:40 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:22 pm AEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index in Mernda. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mernda, Australia
- Average high temperature in September: 16°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 (12.4°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (6.6°C).
Average pressure in September
Mernda, Australia
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is June (1021.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in September
Mernda, Australia
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is August (13.9km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in September
Mernda, Australia
- Average humidity in September: 74%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Mernda, Australia
- Average rainfall in September: 39mm
The wettest months (with the highest rainfall) are August and December (45mm).
The driest months (with the least rainfall) are March and April (34mm).
Average rainfall days in September
Mernda, Australia
- Average rainfall days in September: 16.2 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is January (9.5 days).
Average daylight in September /
Average sunshine in September
Mernda, Australia
- Average daylight in September: 11h and 48min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- 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 July and August (Average sunshine: 6h and 30min).
Average sunshine days in September
Mernda, Australia
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is January (16.7 days).
The months with the least sunshine days are July and August (10.5 days).
Average UV index in September
Mernda, Australia
- Average UV index in September: 3
The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Mernda, Australia
- Average cloud cover in September: 43
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Mernda, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May, June, July, August, September, October, November and December (9km).
