September weather forecastSwan Hill, Australia
September
Weather in September
The first month of the spring, September, is an enjoyable month in Swan Hill, Australia, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 6.7°C (44.1°F).Temperature
The onset of September marks a slight increase in the average high-temperature, moving from a mild 15.3°C (59.5°F) in August to a still refreshing 18.5°C (65.3°F). During the month of September, Swan Hill's nighttime temperature lowers to an average of 6.7°C (44.1°F).Humidity
The average relative humidity in September is 70%.Rainfall
The months with the least rainfall in Swan Hill are March, June, September and October Rain falls for 6.3 days and accumulates 13mm (0.51") of rain.Daylight
In Swan Hill, the average length of the day in September is 11h and 52min.On the first day of September, sunrise is at 6:44 am and sunset at 6:06 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 6:28 pm AEST.
Sunshine
In Swan Hill, the average sunshine in September is 8.4h.UV index
In Swan Hill, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Swan Hill, Australia
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is January (33.1°C).
The month with the lowest average high temperature is July (14.3°C).
- Average low temperature in September: 6.7°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is August (5.3°C).
Average pressure in September
Swan Hill, Australia
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is June (1022mbar).
The month with the lowest atmospheric pressure is January (1010.5mbar).
Average wind speed in September
Swan Hill, Australia
- Average wind speed in September: 14.4km/h
The windiest months (with the highest average wind speed) are August and October (14.6km/h).
The calmest month (with the lowest average wind speed) is April (12.1km/h).
Average humidity in September
Swan Hill, Australia
- Average humidity in September: 70%
The months with the highest relative humidity are June and July (76%).
The month with the lowest relative humidity is January (36%).
Average rainfall in September
Swan Hill, Australia
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is November (24mm).
The driest months (with the least rainfall) are March, June, September and October (13mm).
Average rainfall days in September
Swan Hill, Australia
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is August (7.8 days).
The month with the least rainy days is December (5.4 days).
Average daylight in September /
Average sunshine in September
Swan Hill, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is January (Average sunshine: 9h and 24min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in September
Swan Hill, Australia
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is August (21 days).
Average UV index in September
Swan Hill, Australia
- Average UV index in September: 4
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are June and August (UV index 3).
Average cloud cover in September
Swan Hill, Australia
- Average cloud cover in September: 29
The month with the most cloud cover is July (Cloud cover 35).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility in September
Swan Hill, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





