September weather forecastMuttama, Australia
September
Weather in September
September, the first month of the spring in Muttama, is a mild month, with an average temperature ranging between min 3.2°C (37.8°F) and max 14.2°C (57.6°F).Temperature
As August transitions into September, a subtle temperature shift is observed, with average highs adjusting from a cool 10.6°C (51.1°F) to a moderate 14.2°C (57.6°F). During September, the nighttime temperature in Muttama averages of 3.2°C (37.8°F).Humidity
In September, the average relative humidity in Muttama, Australia, is 83%.Rainfall
In Muttama, Australia, during September, the rain falls for 12.5 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 137.5 rainfall days, and 533mm (20.98") of precipitation is accumulated.Snowfall
In Muttama, snow does not fall in January through June, September through December.Daylight
The average length of the day in September is 11h and 52min.On the first day of the month, sunrise is at 6:26 am and sunset at 5:48 pm. On the last day of September, in Muttama, Australia, sunrise is at 5:45 am and sunset at 6:09 pm AEST.
Sunshine
In Muttama, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Muttama, Australia, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Muttama, Australia
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is January (29.8°C).
The month with the lowest average high temperature is July (9.7°C).
- Average low temperature in September: 3.2°C
The month with the highest average low temperature is January (15.3°C).
The coldest month (with the lowest average low temperature) is August (1.4°C).
Average pressure in September
Muttama, Australia
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is June (1022.2mbar).
The month with the lowest atmospheric pressure is January (1011.8mbar).
Average wind speed in September
Muttama, Australia
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is January (8.9km/h).
The calmest month (with the lowest average wind speed) is June (6.6km/h).
Average humidity in September
Muttama, Australia
- Average humidity in September: 83%
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is January (55%).
Average rainfall in September
Muttama, Australia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in September
Muttama, Australia
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is August (14 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in September
Muttama, Australia
- Average snowfall in September: 0mm
The month with the highest snowfall is August (9mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).
Average snowfall days in September
Muttama, Australia
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are July and August (0.3 days).
The months with the least snowfall days are January, February, March, April, May, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Muttama, 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: 7h and 30min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is July (Average sunshine: 6h and 24min).
Average sunshine days in September
Muttama, Australia
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is May (20.4 days).
The month with the least sunshine days is August (14.5 days).
Average UV index in September
Muttama, Australia
- Average UV index in September: 3
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 2).
Average cloud cover in September
Muttama, Australia
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility in September
Muttama, Australia
- Average visibility in September: 7km
The months with the highest visibility are January and February (10km).
The month with the lowest visibility is July (6km).





