September weather forecastMerimbula, Australia
September
Weather in September
The first month of the spring, September, is a refreshing month in Merimbula, Australia, with an average temperature fluctuating between 9.5°C (49.1°F) and 17.4°C (63.3°F).Temperature
The weather during September records an average high-temperature of a comfortable 17.4°C (63.3°F), closely mirroring the preceding month. In the month of September, the nighttime temperature in Merimbula dips to a steady average of 9.5°C (49.1°F).Humidity
The average relative humidity in September in Merimbula is 71%.Rainfall
The month with the least rainfall in Merimbula is September, when the rain falls for 9.7 days and typically collects 19mm (0.75") of precipitation.Sea temperature
In Merimbula, Australia, the average seawater temperature in September is 16.8°C (62.2°F).Note: In water with a temperature of 16.8°C (62.2°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.
Daylight
In September, the average length of the day in Merimbula, Australia, is 11h and 52min.On the first day of September, sunrise is at 6:20 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 6:03 pm AEST.
Sunshine
The average sunshine in September is 8.7h.UV index
The months with the lowest UV index are April through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Merimbula, Australia
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is January (24.3°C).
The month with the lowest average high temperature is July (14.5°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is February (16.9°C).
The coldest month (with the lowest average low temperature) is July (8°C).
Average pressure in September
Merimbula, Australia
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is June (1020.6mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Merimbula, Australia
- Average wind speed in September: 13.8km/h
The windiest months (with the highest average wind speed) are January and September (13.8km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).
Average humidity in September
Merimbula, Australia
- Average humidity in September: 71%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Merimbula, Australia
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is February (48mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Merimbula, Australia
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (6.6 days).
Average sea temperature in September
Merimbula, Australia
- Average sea temperature in September: 16.8°C
The best month for swimming (with the highest average sea temperature) is February (22.2°C).
The coldest month (with the lowest average sea temperature) is August (16.4°C).
Average daylight in September /
Average sunshine in September
Merimbula, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 30min).
Average sunshine days in September
Merimbula, Australia
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Merimbula, Australia
- Average UV index in September: 4
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in September
Merimbula, Australia
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 26).
Average visibility in September
Merimbula, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
