September weather forecast
Bacchus Marsh, Australia

September

Weather in September

September, the first month of the spring in Bacchus Marsh, is still a mild month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 15.8°C (60.4°F).

Temperature

September's onset brings an average high-temperature of a still moderate 15.8°C (60.4°F), showing a minute difference from August's 13.4°C (56.1°F). An average low-temperature of 7.5°C (45.5°F) marks the month of September in Bacchus Marsh.

Humidity

In Bacchus Marsh, the average relative humidity in September is 74%.

Rainfall

In September, in Bacchus Marsh, the rain falls for 15.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 157.6 rainfall days, and 415mm (16.34") of precipitation is accumulated.

Daylight

The average length of the day in September in Bacchus Marsh is 11h and 51min.
On the first day of the month, sunrise is at 6:43 am and sunset at 6:01 pm. On the last day of September, in Bacchus Marsh, Australia, sunrise is at 5:58 am and sunset at 6:25 pm AEST.

Sunshine

In September, the average sunshine is 7.6h.

UV index

In Bacchus Marsh, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What is the usual temperature for Bacchus Marsh in September?
An average high-temperature, in September, in Bacchus Marsh, is 15.8°C (60.4°F) and the average low-temperature is 7.5°C (45.5°F).
What is the average humidity in September in Bacchus Marsh?
In Bacchus Marsh, Australia, the average relative humidity in September is 74%.
How many days does it rain in September in Bacchus Marsh?
In Bacchus Marsh, Australia, during September, the rain falls for 15.1 days and regularly aggregates up to 35mm (1.38") of precipitation.
How many hours of daylight does Bacchus Marsh have in September?
The average day length in September in Bacchus Marsh is 11h and 51min.
When are sunrise and sunset in September in Bacchus Marsh?
In September, on the first day of the month, sunrise is at 6:43 am and sunset at 6:01 pm. On the last day of the month, in Bacchus Marsh, Australia, sunrise is at 5:58 am and sunset at 6:25 pm AEST.
How many hours of sunshine does Bacchus Marsh have in September?
In Bacchus Marsh, Australia, the average sunshine duration in September is 7.6h.
What is the UV index reading in September in Bacchus Marsh?
In September, the average daily maximum UV index in Bacchus Marsh is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Bacchus Marsh, Australia
Average temperature in September
Bacchus Marsh, Australia
  • Average high temperature in September: 15.8°C

The warmest month (with the highest average high temperature) is January (25.1°C).
The month with the lowest average high temperature is July (12.8°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is February (15.2°C).
The coldest month (with the lowest average low temperature) is August (6.8°C).

Average pressure in September - Bacchus Marsh, Australia
Average pressure in September
Bacchus Marsh, Australia
  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is June (1021.3mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).

Average wind speed in September - Bacchus Marsh, Australia
Average wind speed in September
Bacchus Marsh, Australia
  • Average wind speed in September: 13.8km/h

The windiest month (with the highest average wind speed) is August (15km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).

Average humidity in September - Bacchus Marsh, Australia
Average humidity in September
Bacchus Marsh, Australia
  • Average humidity in September: 74%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (64%).

Average rainfall in September - Bacchus Marsh, Australia
Average rainfall in September
Bacchus Marsh, Australia
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (27mm).

Average rainfall days in September - Bacchus Marsh, Australia
Average rainfall days in September
Bacchus Marsh, Australia
  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is August (16.6 days).
The month with the least rainy days is January (8.9 days).

Average daylight in September / Average sunshine in September - Bacchus Marsh, Australia
Average daylight in September /
Average sunshine in September
Bacchus Marsh, Australia
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).

Average sunshine days in September - Bacchus Marsh, Australia
Average sunshine days in September
Bacchus Marsh, Australia
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in September - Bacchus Marsh, Australia
Average UV index in September
Bacchus Marsh, Australia
  • Average UV index in September: 4

The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 3).

Average cloud cover in September - Bacchus Marsh, Australia
Average cloud cover in September
Bacchus Marsh, Australia
  • Average cloud cover in September: 41

The months with the most cloud cover are May and August (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 30).

Average visibility in September - Bacchus Marsh, Australia
Average visibility in September
Bacchus Marsh, Australia
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).

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