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
Longueville in September witnesses an average high-temperature of an agreeable 20.6°C (69.1°F), indicating a slight variation from August's 17.8°C (64°F). During the nights in September, Longueville experiences a consistent average temperature of 12.2°C (54°F).Humidity
The months with the lowest humidity in Longueville are August and September, with an average relative humidity of 66%.Rainfall
September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 35mm (1.38") of precipitation.Sea temperature
With an average sea temperature of 18.6°C (65.5°F), September is the month with the coldest seawater.Note: In 18.6°C (65.5°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
In September, the average length of the day in Longueville 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 Longueville, 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. 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 are the temperatures in Longueville in September?
What are the least humid months in Longueville?
What is the average humidity in September in Longueville?
What is the driest month in Longueville?
How much does it rain in Longueville in September?
When is the sea coldest in Longueville?
How cold is the water in September in Longueville?
What is the average length of the day in September in Longueville?
What time are sunrise and sunset in September in Longueville?
How long on average sun shines in September in Longueville?
When is the lowest UV index in Longueville?
What is the UV index intensity in September in Longueville?
Average temperature in September
Longueville, 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
Longueville, 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
Longueville, 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
Longueville, 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
Longueville, 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
Longueville, 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 sea temperature in September
Longueville, Australia
- Average sea temperature in September: 18.6°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in September /
Average sunshine in September
Longueville, 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
Longueville, 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
Longueville, 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
Longueville, 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
Longueville, 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).
