September weather forecastAust, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Aust, United Kingdom, with an average temperature fluctuating between 17.3°C (63.1°F) and 10.3°C (50.5°F).

Temperature

The advent of September signifies a minor shift to an average high-temperature of a still enjoyable 17.3°C (63.1°F), aligning closely with August. During the September nights, an average temperature of 10.3°C (50.5°F) is observed.

Humidity

The average relative humidity in September in Aust is 84%.

Rainfall

January, April and September are months with the least rain when the rain falls for 9.5 days and typically aggregates up to 16mm (0.63") of rain.

Snowfall

April through November are months without snowfall.

Daylight

In Aust, the average length of the day in September is 12h and 38min.
On the first day of September in Aust, sunrise is at 6:23 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:50 pm BST.

Sunshine

In September, the average sunshine is 7.1h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

The high-temperature, in September, in Aust, records 17.3°C (63.1°F), while the low-temperature is 10.3°C (50.5°F).

In Aust, the average relative humidity in September is 84%.

The months with the least rainfall in Aust are January, April and September Rain falls for 9.5 days and accumulates 16mm (0.63") of rain.

In Aust, United Kingdom, during September, the rain falls for 9.5 days and regularly aggregates up to 16mm (0.63") of precipitation.

In Aust, United Kingdom, snow does not fall in April through November.

In September, the average day length is 12h and 38min.

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:56 pm. On the last day of the month, in Aust, United Kingdom, sunrise is at 7:10 am and sunset at 6:50 pm BST.

The average sunshine duration in September in Aust is 7.1h.

May through September, with an average maximum UV index of 4, are months with the highest UV index.

In September, the average daily maximum UV index in Aust, United Kingdom, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Aust, United Kingdom

  • Average high temperature in September: 17.3°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).

Average pressure in September
Aust, United Kingdom

  • Average pressure in September: 1016.7mbar

The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010mbar).

Average wind speed in September
Aust, United Kingdom

  • Average wind speed in September: 13.8km/h

The windiest month (with the highest average wind speed) is February (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).

Average humidity in September
Aust, United Kingdom

  • Average humidity in September: 84%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are May and July (82%).

Average rainfall in September
Aust, United Kingdom

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is November (33mm).
The driest months (with the least rainfall) are January, April and September (16mm).

Average rainfall days in September
Aust, United Kingdom

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is December (9.2 days).

Average snowfall in September
Aust, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Aust, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Aust, United Kingdom

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 7h and 6min

The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).

Average sunshine days in September
Aust, United Kingdom

  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in September
Aust, United Kingdom

  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Aust, United Kingdom

  • Average cloud cover in September: 51

The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).

Average visibility in September
Aust, United Kingdom

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).