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
The advent of September denotes an average high-temperature of an agreeable 21°C (69.8°F), subtly different from August's 18.2°C (64.8°F). Throughout September, the temperature falls to an average low of 11.4°C (52.5°F).Humidity
The months with the lowest humidity in Gladesville are August and September, with an average relative humidity of 66%.Rainfall
The months with the least rainfall in Gladesville are July and September Rain falls for 9 days and accumulates 30mm (1.18") of rain.Daylight
The average length of the day in September in Gladesville 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 September, the average sunshine is 8.7h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Gladesville. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Gladesville?
What is the least humid month in Gladesville?
What is the average humidity in September in Gladesville?
What is the driest month in Gladesville?
How much does it rain in Gladesville in September?
What is the average length of the day in September in Gladesville?
When are sunrise and sunset in September in Gladesville?
How many hours of sunshine does Gladesville have in September?
When is the lowest UV index in Gladesville?
How high is the UV index in September in Gladesville?
Average temperature in September
Gladesville, Australia
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is January (28.2°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).
Average pressure in September
Gladesville, Australia
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Gladesville, Australia
- Average wind speed in September: 12.1km/h
The windiest months (with the highest average wind speed) are January, August, September and December (12.1km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in September
Gladesville, Australia
- Average humidity in September: 66%
The month with the highest relative humidity is June (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in September
Gladesville, Australia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is February (89mm).
The driest months (with the least rainfall) are July and September (30mm).
Average rainfall days in September
Gladesville, Australia
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is May (8.5 days).
Average daylight in September /
Average sunshine in September
Gladesville, 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 4min
The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in September
Gladesville, Australia
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Gladesville, 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
Gladesville, Australia
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Gladesville, Australia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
