September weather forecastNyah, Australia
September
Weather in September
The first month of the spring, September, is a comfortable month in Nyah, Australia, with an average temperature fluctuating between 18.5°C (65.3°F) and 6.7°C (44.1°F).Temperature
As Nyah transitions into September, a marginal rise in the average high-temperature is observed, moving from a moderate 15.3°C (59.5°F) in August to an enjoyable 18.5°C (65.3°F). During the nights in September, the temperature averages to a frosty 6.7°C (44.1°F).Humidity
The average relative humidity in September is 70%.Rainfall
The months with the least rainfall are March, June, September and October Rain falls for 6.3 days and accumulates 13mm (0.51") of rain.Daylight
The average length of the day in September is 11h and 52min.On the first day of the month, sunrise is at 6:45 am and sunset at 6:07 pm. On the last day of September, sunrise is at 6:03 am and sunset at 6:28 pm AEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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
Nyah, 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).





