September weather forecastMount Martha, Australia
September
Weather in September
The first month of the spring, September, is still a mild month in Mount Martha, Australia, with temperature in the range of an average high of 15.4°C (59.7°F) and an average low of 9.4°C (48.9°F).Temperature
September observes an average high-temperature of a still mild 15.4°C (59.7°F), marking an insignificant difference from August's 13.4°C (56.1°F). In Mount Martha, an average nighttime temperature of 9.4°C (48.9°F) is expected during September.Humidity
In Mount Martha, Australia, the average relative humidity in September is 74%.Rainfall
In Mount Martha, during September, the rain falls for 17.3 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 177.5 rainfall days, and 562mm (22.13") of precipitation is accumulated.Daylight
In September, the average length of the day in Mount Martha is 11h and 50min.On the first day of the month, sunrise is at 6:41 am and sunset at 5:58 pm. On the last day of September, in Mount Martha, sunrise is at 5:56 am and sunset at 6:23 pm AEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake precautions - Guarding against sun damage is counselled. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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
Mount Martha, Australia
- Average high temperature in September: 15.4°C
The warmest months (with the highest average high temperature) are January and February (23.4°C).
The month with the lowest average high temperature is July (13°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is February (16.2°C).
The coldest months (with the lowest average low temperature) are July and August (8.6°C).
Average pressure in September
Mount Martha, Australia
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in September
Mount Martha, Australia
- Average wind speed in September: 17.1km/h
The windiest months (with the highest average wind speed) are July and August (18.6km/h).
The calmest months (with the lowest average wind speed) are January, March and December (14km/h).
Average humidity in September
Mount Martha, Australia
- Average humidity in September: 74%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Mount Martha, Australia
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is March (34mm).
Average rainfall days in September
Mount Martha, Australia
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is January (10.1 days).
Average daylight in September /
Average sunshine in September
Mount Martha, Australia
- Average daylight in September: 11h and 48min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 6h and 24min).
Average sunshine days in September
Mount Martha, Australia
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in September
Mount Martha, Australia
- Average UV index in September: 4
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in September
Mount Martha, Australia
- Average cloud cover in September: 44
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in September
Mount Martha, 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).
