Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The advent of September observes an average high-temperature of a pleasant 20.3°C (68.5°F), nearly identical to August's 17.7°C (63.9°F). In September, the recorded average low-temperature in Kurnell is a fresh 12.6°C (54.7°F).Humidity
In Kurnell, the average relative humidity in September is 66%.Rainfall
September is the month with the least rainfall. Rain falls for 9.4 days and accumulates 17mm (0.67") of precipitation.Sea temperature
The month with the coldest seawater in Kurnell is September, with an average sea temperature of 18.4°C (65.1°F).Note: Swimming in water with a temperature of 18.4°C (65.1°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
In Kurnell, 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
The average sunshine in September is 8.8h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Kurnell?
What is the average humidity in September in Kurnell?
What is the driest month in Kurnell?
How many days does it rain in September in Kurnell?
When is the sea coldest in Kurnell?
What is the sea water temperature in September in Kurnell?
How many hours of daylight does Kurnell have in September?
When is the sunrise / sunset in September in Kurnell?
How long on average sun shines in September in Kurnell?
What are the months with the lowest UV index in Kurnell?
How high is the UV index in September in Kurnell?
Average temperature in September
Kurnell, 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
Kurnell, 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
Kurnell, 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
Kurnell, 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
Kurnell, 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
Kurnell, 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 sea temperature in September
Kurnell, Australia
- Average sea temperature in September: 18.4°C
The best month for swimming (with the highest average sea temperature) is February (23.8°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in September /
Average sunshine in September
Kurnell, Australia
- Average daylight in September: 11h and 5min
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 5min
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
Kurnell, 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
Kurnell, 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
Kurnell, 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
Kurnell, 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).
