September weather forecastMerredin, Australia

September

Weather in September

September, the first month of the spring in Merredin, is also an enjoyable month, with temperature in the range of an average high of 19.1°C (66.4°F) and an average low of 7.7°C (45.9°F).

Temperature

The high-temperature average in September for Merredin, Australia, is a still enjoyable 19.1°C (66.4°F), staying closely aligned with August's conditions. During the nights in September, Merredin observes an average low-temperature of 7.7°C (45.9°F).

Humidity

In September, the average relative humidity in Merredin, Australia, is 70%.

Rainfall

In September, in Merredin, Australia, the rain falls for 9.5 days. Throughout September, 14mm (0.55") of precipitation is accumulated. In Merredin, during the entire year, the rain falls for 85.5 days and collects up to 202mm (7.95") of precipitation.

Daylight

In Merredin, Australia, the average length of the day in September is 11h and 54min.
On the first day of the month, sunrise is at 6:22 am and sunset at 5:50 pm. On the last day of September, in Merredin, sunrise is at 5:45 am and sunset at 6:08 pm AWST.

Sunshine

In Merredin, the average sunshine in September is 8.1h.

UV index

In Merredin, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

During September, Merredin experiences an average high-temperature of 19.1°C (66.4°F) and a low-temperature of 7.7°C (45.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in March is appraised at 30°C (86°F).

The average relative humidity in September is 70%.

In Merredin, in September, it is raining for 9.5 days, with typically 14mm (0.55") of accumulated precipitation.

In September, the average day length in Merredin is 11h and 54min.

On the first day of September, sunrise is at 6:22 am and sunset at 5:50 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 6:08 pm AWST.

The average sunshine duration in September in Merredin is 8.1h.

The average daily maximum UV index in September in Merredin, Australia, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Merredin, Australia

  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is January (33.5°C).
The month with the lowest average high temperature is July (15.6°C).

  • Average low temperature in September: 7.7°C

The month with the highest average low temperature is February (20.1°C).
The coldest month (with the lowest average low temperature) is August (7.3°C).

Average pressure in September
Merredin, Australia

  • Average pressure in September: 1019mbar

The months with the highest atmospheric pressure are June and July (1021.2mbar).
The month with the lowest atmospheric pressure is January (1010.9mbar).

Average wind speed in September
Merredin, Australia

  • Average wind speed in September: 14.7km/h

The windiest months (with the highest average wind speed) are January and February (17.4km/h).
The calmest month (with the lowest average wind speed) is May (13.9km/h).

Average humidity in September
Merredin, Australia

  • Average humidity in September: 70%

The month with the highest relative humidity is August (75%).
The month with the lowest relative humidity is December (38%).

Average rainfall in September
Merredin, Australia

  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is July (27mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in September
Merredin, Australia

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is August (10.8 days).
The month with the least rainy days is December (4.8 days).

Average daylight in September /
Average sunshine in September
Merredin, Australia

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is January (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 48min).

Average sunshine days in September
Merredin, Australia

  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is December (24.8 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in September
Merredin, Australia

  • Average UV index in September: 5

The month with the highest UV index is December (UV index 7).
The month with the lowest UV index is July (UV index 3).

Average cloud cover in September
Merredin, Australia

  • Average cloud cover in September: 27

The month with the most cloud cover is July (Cloud cover 34).
The month with the least cloud cover is January (Cloud cover 14).

Average visibility in September
Merredin, 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).