September weather forecastSandy Bay, Australia
September
Weather in September
September, the first month of the spring in Sandy Bay, is a mild month, with an average temperature varying between 13°C (55.4°F) and 5.6°C (42.1°F).Temperature
September brings an average high-temperature of a refreshing 13°C (55.4°F), nearly identical to the preceding month. Sandy Bay reports an average low-temperature of 5.6°C (42.1°F) during the nights of September.Humidity
The average relative humidity in September in Sandy Bay, Australia, is 76%.Rainfall
In Sandy Bay, during September, the rain falls for 14.7 days and regularly aggregates up to 25mm (0.98") of precipitation. In Sandy Bay, during the entire year, the rain falls for 163.7 days and collects up to 356mm (14.02") of precipitation.Snowfall
In Sandy Bay, snow does not fall in January through July, September through December.Sea temperature
September is the month with the coldest seawater, with an average sea temperature of 12.6°C (54.7°F).Note: Dipping in 12.6°C (54.7°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In Sandy Bay, 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 5:44 pm. On the last day of September, sunrise is at 5:45 am and sunset at 6:16 pm AEST.
Sunshine
In Sandy Bay, Australia, the average sunshine in September is 7.2h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index. 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: In September, the maximum UV index of 3 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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
Sandy Bay, 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).
