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 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
Weather in September
Temperature
September's arrival registers an average high-temperature of a pleasant 20.3°C (68.5°F), closely aligning with the temperature of the previous month. Throughout the month of September, the average temperature dips to a fresh 12.3°C (54.1°F) at night.Humidity
In September, the average relative humidity in Umina is 68%.Rainfall
In Umina, in September, during 9.9 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Umina, during the entire year, the rain falls for 156.9 days and collects up to 628mm (24.72") of precipitation.Daylight
In September, the average length of the day in Umina is 11h and 53min.On the first day of the month, sunrise is at 6:12 am and sunset at 5:37 pm. On the last day of September, sunrise is at 5:32 am and sunset at 5:56 pm AEST.
Sunshine
The average sunshine in September is 8.9h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Umina. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are September temperatures in Umina?
What is the average humidity in September in Umina?
How much does it rain in Umina in September?
What is the average length of the day in September in Umina?
When is the sunrise / sunset in September in Umina?
How long on average sun shines in September in Umina?
What is the month with the lowest UV index in Umina?
How high is the UV index in September in Umina?
Average temperature in September
Umina, Australia
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Umina, Australia
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Umina, Australia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Umina, Australia
- Average humidity in September: 68%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Umina, Australia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Umina, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in September /
Average sunshine in September
Umina, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Umina, Australia
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Umina, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, October, 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
Umina, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Umina, 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).
Umina, Australia
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