September weather forecastMenai, Australia
September
Weather in September
September, the first month of the spring in Menai, is an agreeable month, with an average temperature fluctuating between 21.5°C (70.7°F) and 10.6°C (51.1°F).Temperature
With the onset of September, Menai's average high-temperature sees a modest rise, moving from August's comfortable 18.3°C (64.9°F) to a pleasant 21.5°C (70.7°F). Menai's average low-temperature in the month of September is recorded at a cool 10.6°C (51.1°F).Humidity
The least humid month in Menai is September, with an average relative humidity of 65%.Rainfall
May and September are months with the least rain when the rain falls for 8.2 days and typically aggregates up to 26mm (1.02") of rain.Daylight
In September, the average length of the day is 11h and 53min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:37 pm. On the last day of September, in Menai, sunrise is at 5:33 am and sunset at 5:57 pm AEST.
Sunshine
The average sunshine in September is 8.6h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Menai, Australia
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8°C).
Average pressure in September
Menai, Australia
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Menai, Australia
- Average wind speed in September: 10.2km/h
The windiest months (with the highest average wind speed) are January, September and December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).
Average humidity in September
Menai, Australia
- Average humidity in September: 65%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Menai, Australia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is February (83mm).
The driest months (with the least rainfall) are May and September (26mm).
Average rainfall days in September
Menai, Australia
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is February (15.8 days).
The month with the least rainy days is August (7.3 days).
Average daylight in September /
Average sunshine in September
Menai, Australia
- Average daylight in September: 11h and 54min
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 36min
The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Menai, Australia
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Menai, 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
Menai, Australia
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Menai, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





