September weather forecastPort Botany, Australia
September
Weather in September
The first month of the spring, September, is a pleasant month in Port Botany, Australia, with an average temperature fluctuating between 12.6°C (54.7°F) and 20.3°C (68.5°F).Temperature
September brings a marginal elevation to an agreeable 20.3°C (68.5°F) from August's 17.7°C (63.9°F) in Port Botany's average high-temperatures. In Port Botany, an average temperature of 12.6°C (54.7°F) is noted during September nights.Humidity
In Port Botany, Australia, the average relative humidity in September is 66%.Rainfall
The month with the least rainfall in Port Botany is September, when the rain falls for 9.4 days and typically collects 17mm (0.67") of precipitation.Daylight
In Port Botany, Australia, the average length of the day in September is 11h and 53min.On the first day of September, sunrise is at 6:13 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Sunshine
In Port Botany, Australia, the average sunshine in September is 8.8h.UV index
The months with the lowest UV index in Port Botany, Australia, are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Port Botany, Australia
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is January (26.9°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in September: 12.6°C
The months with the highest average low temperature are January and February (20.1°C).
The coldest month (with the lowest average low temperature) is July (10.1°C).
Average pressure in September
Port Botany, Australia
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Port Botany, Australia
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is August (15.8km/h).
The calmest month (with the lowest average wind speed) is April (13.5km/h).
Average humidity in September
Port Botany, Australia
- Average humidity in September: 66%
The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Port Botany, Australia
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is March (43mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in September
Port Botany, Australia
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (9.2 days).
Average daylight in September /
Average sunshine in September
Port Botany, 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: 8h and 48min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in September
Port Botany, Australia
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is July (17.6 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in September
Port Botany, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Port Botany, Australia
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Port Botany, 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).
