September weather forecastBlackwall, Australia
September
Weather in September
September, the first month of the spring in Blackwall, is an agreeable month, with an average temperature ranging between min 12.3°C (54.1°F) and max 20.3°C (68.5°F).Temperature
Blackwall observes an average high-temperature of an agreeable 20.3°C (68.5°F) in September, barely different from 17.8°C (64°F) in August. The nighttime temperature dips to a fresh 12.3°C (54.1°F) on average during September.Humidity
In Blackwall, the average relative humidity in September is 68%.Rainfall
In Blackwall, in September, during 9.9 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Blackwall, during the entire year, the rain falls for 156.9 days and collects up to 628mm (24.72") of precipitation.Daylight
In September, the average length of the day in Blackwall is 11h and 53min.On the first day of the month, sunrise is at 6:12 am and sunset at 5:37 pm. On the last day of September, sunrise is at 5:32 am and sunset at 5:56 pm AEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Blackwall, Australia. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blackwall, Australia
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Blackwall, Australia
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Blackwall, Australia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Blackwall, Australia
- Average humidity in September: 68%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Blackwall, Australia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Blackwall, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in September /
Average sunshine in September
Blackwall, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 54min
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 48min).
Average sunshine days in September
Blackwall, Australia
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Blackwall, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, October, November 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
Blackwall, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Blackwall, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
