September weather forecast
Horsham, Australia

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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.
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Frequently asked questions

What is the temperature in September in Horsham?

In September, in Horsham, the average high-temperature is 16.4°C (61.5°F), and the average low-temperature is 5.7°C (42.3°F). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in February is evaluated at 30°C (86°F).

What is the average humidity in September in Horsham?

In September, the average relative humidity in Horsham is 77%.

How many days does it rain in September in Horsham?

In Horsham, Australia, during September, the rain falls for 12 days and regularly aggregates up to 25mm (0.98") of precipitation.

How many hours of daylight does Horsham have in September?

The average day length in September is 11h and 52min.

When is the sunrise / sunset in September in Horsham?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 6:10 pm. On the last day of the month, in Horsham, sunrise is at 6:08 am and sunset at 6:34 pm AEST.

How long on average sun shines in September in Horsham?

In Horsham, the average sunshine duration in September is 7.5h.

What is the month with the lowest UV index in Horsham?

May through September, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in September in Horsham?

In September, the average daily maximum UV index in Horsham is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Average temperature in September
Horsham, Australia

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).

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Average pressure in September
Horsham, Australia

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).

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Average wind speed in September
Horsham, Australia

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).

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Average humidity in September
Horsham, Australia

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%).

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Average rainfall in September
Horsham, Australia

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).

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Average rainfall days in September
Horsham, Australia

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).

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Average daylight in September /
Average sunshine in September
Horsham, Australia

Average daylight in September / Average sunshine in September - Horsham, Australia
  • Average daylight in September: 11h and 5min

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 3min

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).

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Average sunshine days in September
Horsham, Australia

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).

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Average UV index in September
Horsham, Australia

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).

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Average cloud cover in September
Horsham, Australia

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).

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Average visibility in September
Horsham, Australia

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).

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Horsham, Australia

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