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 snowfall in September
- Average snowfall 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
September
Weather in September
Temperature
September's arrival is noted with a slight increase in the average high-temperature, moving from a mild 13.2°C (55.8°F) in August to a still refreshing 16.6°C (61.9°F). Throughout September, Merrigum anticipates an average low-temperature of 5.1°C (41.2°F).Humidity
The average relative humidity in September is 78%.Rainfall
In September, in Merrigum, the rain falls for 11.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Merrigum, during the entire year, the rain falls for 111.6 days and collects up to 373mm (14.69") of precipitation.Snowfall
The only month with snowfall is September. September is the month with the most snowfall in Merrigum. Snow falls for 0.1 days and accumulates 1mm (0.04") of snow.Daylight
In September, the average length of the day is 11h and 52min.On the first day of the month, sunrise is at 6:39 am and sunset at 5:59 pm. On the last day of September, in Merrigum, sunrise is at 5:56 am and sunset at 6:22 pm AEST.
Sunshine
The average sunshine in September is 7.8h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index in Merrigum. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Merrigum?
What is the average humidity in September in Merrigum?
How many days does it rain in September in Merrigum?
What is the snowiest month in Merrigum?
When does it start to snow in Merrigum?
How many hours of daylight does Merrigum have in September?
When are sunrise and sunset in September in Merrigum?
How long on average sun shines in September in Merrigum?
What are the months with the lowest UV index in Merrigum?
What is the UV index reading in September in Merrigum?
Average temperature in September
Merrigum, Australia
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is January (31.2°C).
The month with the lowest average high temperature is July (12.2°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is January (16.3°C).
The coldest month (with the lowest average low temperature) is August (3.8°C).
Average pressure in September
Merrigum, Australia
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is June (1022.1mbar).
The month with the lowest atmospheric pressure is January (1011.4mbar).
Average wind speed in September
Merrigum, Australia
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is December (10.3km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity in September
Merrigum, Australia
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (86%).
The month with the lowest relative humidity is January (49%).
Average rainfall in September
Merrigum, Australia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (38mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Merrigum, Australia
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is August (13 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Merrigum, Australia
- Average snowfall in September: 1mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Merrigum, Australia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Merrigum, Australia
- Average daylight in September: 11h and 5min
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: 7h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Merrigum, Australia
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is August (15.6 days).
Average UV index in September
Merrigum, Australia
- Average UV index in September: 3
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Merrigum, Australia
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in September
Merrigum, Australia
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are June, July and August (7km).
