September weather forecastOld Beach, Australia
September
Weather in September
The first month of the spring, September, is a mild month in Old Beach, Australia, with an average temperature varying between 13°C (55.4°F) and 5.6°C (42.1°F).Temperature
Welcoming September, Old Beach notes an average high-temperature of a refreshing 13°C (55.4°F), nearly consistent with August's 11.5°C (52.7°F). Nighttime temperature dips to a mean of 5.6°C (42.1°F) during September.Humidity
The average relative humidity in September is 76%.Rainfall
In Old Beach, in September, during 14.7 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 163.7 rainfall days, and 356mm (14.02") of precipitation is accumulated.Snowfall
In Old Beach, snow does not fall in January through July, September through December.Sea temperature
The month with the coldest seawater is September, with an average sea temperature of 12.6°C (54.7°F).Note: Beware of 12.6°C (54.7°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Daylight
The average length of the day in September is 11h and 48min.On the first day of the month, sunrise is at 6:36 am and sunset at 5:45 pm. On the last day of September, sunrise is at 5:45 am and sunset at 6:16 pm AEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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
Old Beach, Australia
- Average high temperature in September: 13°C
The warmest month (with the highest average high temperature) is January (20.1°C).
The month with the lowest average high temperature is July (10.9°C).
- Average low temperature in September: 5.6°C
The month with the highest average low temperature is January (11.1°C).
The coldest month (with the lowest average low temperature) is August (4.8°C).
Average pressure in September
Old Beach, Australia
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is June (1017.8mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).
Average wind speed in September
Old Beach, Australia
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is September (14.5km/h).
The calmest month (with the lowest average wind speed) is March (11.4km/h).
Average humidity in September
Old Beach, Australia
- Average humidity in September: 76%
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January and December (73%).
Average rainfall in September
Old Beach, Australia
- Average rainfall in September: 25mm
The wettest months (with the highest rainfall) are August and November (38mm).
The driest months (with the least rainfall) are January and October (23mm).
Average rainfall days in September
Old Beach, Australia
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is June (11.4 days).
Average snowfall days in September
Old Beach, Australia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average sea temperature in September
Old Beach, Australia
- Average sea temperature in September: 12.6°C
The best month for swimming (with the highest average sea temperature) is February (16.5°C).
The coldest month (with the lowest average sea temperature) is September (12.6°C).
Average daylight in September /
Average sunshine in September
Old Beach, Australia
- Average daylight in September: 11h and 48min
The month with the longest days is December (Average daylight: 15h and 18min).
The month with the shortest days is June (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).
Average sunshine days in September
Old Beach, Australia
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is June (15.3 days).
The month with the least sunshine days is November (9.5 days).
Average UV index in September
Old Beach, Australia
- Average UV index in September: 3
The month with the highest UV index is 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
Old Beach, Australia
- Average cloud cover in September: 42
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 39).
Average visibility in September
Old Beach, Australia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
