September weather forecastHorsham, Australia
September
Weather in September
September, the first month of the spring in Horsham, is a refreshing month, with an average temperature ranging between min 5.7°C (42.3°F) and max 16.4°C (61.5°F).Temperature
An average high-temperature of a comfortable 16.4°C (61.5°F) marks September, exhibiting a close resemblance to the conditions in August. Horsham throughout September, experiences an average nighttime temperature of 5.7°C (42.3°F).Humidity
The average relative humidity in September in Horsham, Australia, is 77%.Rainfall
In September, in Horsham, Australia, the rain falls for 12 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 113.9 rainfall days, and 282mm (11.1") of precipitation is accumulated.Daylight
In Horsham, the average length of the day in September is 11h and 52min.On the first day of September in Horsham, sunrise is at 6:51 am and sunset at 6:10 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 6:34 pm AEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index in Horsham. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Horsham, Australia
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (12.8°C).
- Average low temperature in September: 5.7°C
The months with the highest average low temperature are January and February (16.7°C).
The coldest month (with the lowest average low temperature) is August (5.3°C).
Average pressure in September
Horsham, Australia
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1012.1mbar).
Average wind speed in September
Horsham, Australia
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is August (14.3km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).
Average humidity in September
Horsham, Australia
- Average humidity in September: 77%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is January (44%).
Average rainfall in September
Horsham, Australia
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are February and March (15mm).
Average rainfall days in September
Horsham, Australia
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is August (13.3 days).
The month with the least rainy days is January (5 days).
Average daylight in September /
Average sunshine in September
Horsham, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is January (Average sunshine: 9h and 18min).
The months with the least sunshine are July and August (Average sunshine: 6h and 48min).
Average sunshine days in September
Horsham, Australia
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in September
Horsham, Australia
- Average UV index in September: 3
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Horsham, Australia
- Average cloud cover in September: 41
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in September
Horsham, Australia
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is September (8km).





