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 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
September's advent notes a subtle adjustment in average high-temperature to an agreeable 20.6°C (69.1°F) from August. Throughout September, an average nighttime temperature of 12.2°C (54°F) is experienced in Wahroonga.Humidity
August and September, with an average relative humidity of 66%, are the least humid months in Wahroonga.Rainfall
The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 35mm (1.38") of precipitation.Daylight
The average length of the day in September in Wahroonga is 11h and 53min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:37 pm. On the last day of September, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Sunshine
In Wahroonga, Australia, the average sunshine in September is 8.8h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Wahroonga in September?
What is the least humid month in Wahroonga?
What is the average humidity in September in Wahroonga?
What is the driest month in Wahroonga?
How many days does it rain in September in Wahroonga?
What is the average length of the day in September in Wahroonga?
When are sunrise and sunset in September in Wahroonga?
How long on average sun shines in September in Wahroonga?
What are the months with the lowest UV index in Wahroonga?
How high is the UV index in September in Wahroonga?
Average temperature in September
Wahroonga, Australia
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in September: 12.2°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 (9.7°C).
Average pressure in September
Wahroonga, Australia
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Wahroonga, Australia
- Average wind speed in September: 13.9km/h
The windiest months (with the highest average wind speed) are January and August (14km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in September
Wahroonga, Australia
- Average humidity in September: 66%
The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in September
Wahroonga, Australia
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is February (92mm).
The driest month (with the least rainfall) is September (35mm).
Average rainfall days in September
Wahroonga, Australia
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (10.1 days).
Average daylight in September /
Average sunshine in September
Wahroonga, Australia
- Average daylight in September: 11h and 5min
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 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
Wahroonga, Australia
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in September
Wahroonga, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, 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
Wahroonga, Australia
- Average cloud cover in September: 26
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
Wahroonga, 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).
