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
September
Weather in September
Temperature
South Johnstone greets September with an average high-temperature of a still moderately hot 27.3°C (81.1°F), marking a slight deviation from the preceding month. South Johnstone registers a significant reduction from the day's heat, with an average temperature drop to a refreshing 14.9°C (58.8°F) in September.Heat index
The heat index for September is appraised at a hot 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In South Johnstone, the average relative humidity in September is 72%.Rainfall
The months with the least rainfall in South Johnstone are July through September Rain falls for 5.7 days and accumulates 7mm (0.28") of rain.Daylight
In South Johnstone, the average length of the day in September is 12h and 0min.On the first day of September in South Johnstone, Australia, sunrise is at 6:22 am and sunset at 6:09 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 6:13 pm AEST.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the highest UV index in South Johnstone are January through March, September through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in South Johnstone?
What is the average humidity in September in South Johnstone?
What is the driest month in South Johnstone?
How many days does it rain in September in South Johnstone?
How many hours of daylight does South Johnstone have in September?
When are sunrise and sunset in September in South Johnstone?
How many hours of sunshine does South Johnstone have in September?
What is the month with the highest UV index in South Johnstone?
What is the UV index intensity in September in South Johnstone?
Average temperature in September
South Johnstone, Australia
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is December (30.3°C).
The month with the lowest average high temperature is July (22.9°C).
- Average low temperature in September: 14.9°C
The months with the highest average low temperature are January and February (20.3°C).
The coldest month (with the lowest average low temperature) is August (13.1°C).
Average pressure in September
South Johnstone, Australia
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is January (1007.7mbar).
Average wind speed in September
South Johnstone, Australia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is October (9.1km/h).
The calmest month (with the lowest average wind speed) is February (6.8km/h).
Average humidity in September
South Johnstone, Australia
- Average humidity in September: 72%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
South Johnstone, Australia
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is January (200mm).
The driest months (with the least rainfall) are July, August and September (7mm).
Average rainfall days in September
South Johnstone, Australia
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is January (25.2 days).
The month with the least rainy days is September (5.7 days).
Average daylight in September /
Average sunshine in September
South Johnstone, Australia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is October (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 5h and 36min).
Average sunshine days in September
South Johnstone, Australia
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is January (3.7 days).
Average UV index in September
South Johnstone, Australia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in September
South Johnstone, Australia
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
South Johnstone, Australia
- Average visibility in September: 8km
The month with the highest visibility is October (9km).
The month with the lowest visibility is April (6km).
