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 snowfall in September
- Average snowfall 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 average high-temperature during September registers at a mild 15.1°C (59.2°F), closely corresponding to the preceding month. During September nights, Swan Marsh witnesses a consistent average temperature of 6.4°C (43.5°F).Humidity
The average relative humidity in September in Swan Marsh is 78%.Rainfall
In September, the rain falls for 17.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. In Swan Marsh, during the entire year, the rain falls for 164.9 days and collects up to 405mm (15.94") of precipitation.Snowfall
January through July, September through December are months without snowfall.Daylight
In Swan Marsh, the average length of the day in September is 11h and 50min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:04 pm. On the last day of September, in Swan Marsh, sunrise is at 6:02 am and sunset at 6:30 pm AEST.
Sunshine
The average sunshine in September is 6.5h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Swan Marsh?
What is the average humidity in September in Swan Marsh?
How many days does it rain in September in Swan Marsh?
When it does not snow in Swan Marsh?
Does it snow in Swan Marsh in September?
How many hours of daylight does Swan Marsh have in September?
When are sunrise and sunset in September in Swan Marsh?
How long on average sun shines in September in Swan Marsh?
What are the months with the lowest UV index in Swan Marsh?
How high is the UV index in September in Swan Marsh?
Average temperature in September
Swan Marsh, Australia
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is January (24.6°C).
The month with the lowest average high temperature is July (12°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is February (13.3°C).
The coldest month (with the lowest average low temperature) is August (5.4°C).
Average pressure in September
Swan Marsh, Australia
- Average pressure in September: 1015.9mbar
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
Swan Marsh, Australia
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).
Average humidity in September
Swan Marsh, Australia
- Average humidity in September: 78%
The month with the highest relative humidity is June (85%).
The month with the lowest relative humidity is January (67%).
Average rainfall in September
Swan Marsh, Australia
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is August (44mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Swan Marsh, Australia
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is August (18.4 days).
The months with the least rainy days are January and February (9.2 days).
Average snowfall in September
Swan Marsh, Australia
- Average snowfall in September: 0mm
The month with the highest snowfall is August (4mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).
Average snowfall days in September
Swan Marsh, Australia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Swan Marsh, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is December (Average sunshine: 8h and 42min).
The month with the least sunshine is August (Average sunshine: 5h and 30min).
Average sunshine days in September
Swan Marsh, Australia
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is August (9.6 days).
Average UV index in September
Swan Marsh, Australia
- Average UV index in September: 3
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Swan Marsh, Australia
- Average cloud cover in September: 55
The month with the most cloud cover is August (Cloud cover 60).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in September
Swan Marsh, Australia
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (8km).
