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
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Merredin in September?
What is the average humidity in September in Merredin?
How much does it rain in Merredin in September?
What is the average length of the day in September in Merredin?
When is the sunrise / sunset in September in Merredin?
How many hours of sunshine does Merredin have in September?
How high is the UV index in September in Merredin?
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 5min
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 1min
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).
Merredin, Australia
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