September weather forecastCarnarvon, Australia
September
Weather in September
September, the first month of the spring in Carnarvon, is a warm month, with an average temperature ranging between min 17.8°C (64°F) and max 23.8°C (74.8°F).Temperature
Carnarvon's shift from August to September is accompanied by an average high-temperature of a moderately hot 23.8°C (74.8°F), a slight deviation from 22.9°C (73.2°F). Carnarvon, during the month of September, experiences an average low-temperature of 17.8°C (64°F).Humidity
In Carnarvon, the average relative humidity in September is 58%.Rainfall
In Carnarvon, in September, during 3.9 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Carnarvon, Australia, during the entire year, the rain falls for 53.1 days and collects up to 149mm (5.87") of precipitation.Sea temperature
With an average sea temperature of 20.8°C (69.4°F), September is the month with the coldest seawater.Note: In 20.8°C (69.4°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
In September, the average length of the day in Carnarvon is 11h and 57min.On the first day of September, sunrise is at 6:36 am and sunset at 6:13 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 6:24 pm AWST.
Sunshine
In September, the average sunshine in Carnarvon is 9.7h.UV index
The months with the lowest UV index in Carnarvon are May through November, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carnarvon, Australia
- Average high temperature in September: 23.8°C
The warmest month (with the highest average high temperature) is February (31.3°C).
The month with the lowest average high temperature is July (22.3°C).
- Average low temperature in September: 17.8°C
The month with the highest average low temperature is February (25.8°C).
The coldest month (with the lowest average low temperature) is July (17.2°C).
Average pressure in September
Carnarvon, Australia
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is January (1006.6mbar).
Average wind speed in September
Carnarvon, Australia
- Average wind speed in September: 24.6km/h
The windiest month (with the highest average wind speed) is December (28.1km/h).
The calmest month (with the lowest average wind speed) is June (20.5km/h).
Average humidity in September
Carnarvon, Australia
- Average humidity in September: 58%
The months with the highest relative humidity are November and December (64%).
The month with the lowest relative humidity is May (52%).
Average rainfall in September
Carnarvon, Australia
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is June (30mm).
The driest month (with the least rainfall) is November (3mm).
Average rainfall days in September
Carnarvon, Australia
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is June (7.5 days).
The months with the least rainy days are October and November (2.7 days).
Average sea temperature in September
Carnarvon, Australia
- Average sea temperature in September: 20.8°C
The best month for swimming (with the highest average sea temperature) is March (26.6°C).
The coldest month (with the lowest average sea temperature) is September (20.8°C).
Average daylight in September /
Average sunshine in September
Carnarvon, Australia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is December (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).
Average sunshine days in September
Carnarvon, Australia
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is October (26.7 days).
The month with the least sunshine days is June (20.8 days).
Average UV index in September
Carnarvon, Australia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 6).
Average cloud cover in September
Carnarvon, Australia
- Average cloud cover in September: 10
The month with the most cloud cover is June (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 10).
Average visibility in September
Carnarvon, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
