September weather forecastExmouth, Australia
September
Weather in September
September in Exmouth exhibits a warming trend, moving up from the average high temperature of 25.7°C (78.3°F) in August to reach 27.4°C (81.3°F). This signals the city's gradual transition into spring, bringing with it a vibrant natural landscape. Though the rainfall remains negligible, it doesn't detract from the city's charm. With the advent of October, the city braces for a considerable rise in temperature and a slightly elevated amount of precipitation.Temperature
September's weather in Exmouth displays an average high-temperature of a still warm 27.4°C (81.3°F), slightly varied from August's 25.7°C (78.3°F). Throughout the month of September, the average temperature dips to an enjoyable 19.3°C (66.7°F) at night.Heat index
September's mean heat index is computed to be 28°C (82.4°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September in Exmouth is 51%.Rainfall
September through November are months with the least rain in Exmouth when the rain falls for 0.8 days and typically aggregates up to 1mm (0.04") of rain.Sea temperature
July through October, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater in Exmouth.Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 24°C (75.2°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in September in Exmouth, Australia, is 11h and 58min.On the first day of September in Exmouth, sunrise is at 6:32 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:21 pm AWST.
Sunshine
In September, the average sunshine is 9.9h.UV index
The months with the lowest UV index in Exmouth are May through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 in September translates into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Exmouth, Australia
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is March (34.4°C).
The month with the lowest average high temperature is July (24.5°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is February (27.3°C).
The coldest month (with the lowest average low temperature) is July (18.5°C).
Average pressure in September
Exmouth, Australia
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is July (1017.7mbar).
The month with the lowest atmospheric pressure is January (1005.7mbar).
Average wind speed in September
Exmouth, Australia
- Average wind speed in September: 22.3km/h
The windiest month (with the highest average wind speed) is November (24.6km/h).
The calmest month (with the lowest average wind speed) is April (18.2km/h).
Average humidity in September
Exmouth, Australia
- Average humidity in September: 51%
The months with the highest relative humidity are January and February (58%).
The month with the lowest relative humidity is May (48%).
Average rainfall in September
Exmouth, Australia
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (29mm).
The driest months (with the least rainfall) are September, October and November (1mm).
Average rainfall days in September
Exmouth, Australia
- Average rainfall days in September: 0.8 days
The month with the highest number of rainy days is January (8.3 days).
The month with the least rainy days is September (0.8 days).
Average sea temperature in September
Exmouth, Australia
- Average sea temperature in September: 24°C
The best months for swimming (with the highest average sea temperature) are February, March and April (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (24°C).
Average daylight in September /
Average sunshine in September
Exmouth, Australia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is November (Average sunshine: 12h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).
Average sunshine days in September
Exmouth, Australia
- Average sunshine days in September: 28.5 days
The month with the most sunshine days is October (29.4 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in September
Exmouth, Australia
- Average UV index in September: 6
The month with the highest UV index is February (UV index 8).
The months with the lowest UV index are May, June, July, August and September (UV index 6).
Average cloud cover in September
Exmouth, Australia
- Average cloud cover in September: 5
The month with the most cloud cover is June (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility in September
Exmouth, 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).
