September weather forecastMosman Park, Australia
September
Weather in September
September, the first month of the spring in Mosman Park, is also an enjoyable month, with an average temperature varying between 12.3°C (54.1°F) and 18.3°C (64.9°F).Temperature
September reports an average high-temperature of a still refreshing 18.3°C (64.9°F), slightly varied from August's 17.5°C (63.5°F). Mosman Park experiences an average nighttime temperature of 12.3°C (54.1°F) in the month of September.Humidity
In Mosman Park, the average relative humidity in September is 70%.Rainfall
In Mosman Park, Australia, in September, it is raining for 12.9 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Mosman Park, there are 114 rainfall days, and 404mm (15.91") of precipitation is accumulated.Sea temperature
With an average sea temperature of 18.7°C (65.7°F), September is the month with the coldest seawater.Note: Swimming is not a pleasurable activity for the majority in water at 18.7°C (65.7°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Mosman Park, Australia, is 11h and 54min.On the first day of the month, sunrise is at 6:33 am and sunset at 6:00 pm. On the last day of September, in Mosman Park, sunrise is at 5:55 am and sunset at 6:18 pm AWST.
Sunshine
In Mosman Park, the average sunshine in September is 8.2h.UV index
In Mosman Park, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mosman Park, Australia
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).
Average pressure in September
Mosman Park, Australia
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).
Average wind speed in September
Mosman Park, Australia
- Average wind speed in September: 17.9km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).
Average humidity in September
Mosman Park, Australia
- Average humidity in September: 70%
The month with the highest relative humidity is August (72%).
The months with the lowest relative humidity are January, February and December (59%).
Average rainfall in September
Mosman Park, Australia
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).
Average rainfall days in September
Mosman Park, Australia
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).
Average sea temperature in September
Mosman Park, Australia
- Average sea temperature in September: 18.7°C
The best month for swimming (with the highest average sea temperature) is March (23.3°C).
The coldest month (with the lowest average sea temperature) is September (18.7°C).
Average daylight in September /
Average sunshine in September
Mosman Park, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days in September
Mosman Park, Australia
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Mosman Park, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 4).
Average cloud cover in September
Mosman Park, Australia
- Average cloud cover in September: 32
The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Mosman Park, 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).





