September weather forecastAcle, United Kingdom

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Acle, United Kingdom, with temperature in the range of an average high of 17.4°C (63.3°F) and an average low of 13.7°C (56.7°F).

Temperature

Transitioning into September, Acle experiences an average high-temperature of a still enjoyable 17.4°C (63.3°F), marking a minor shift from the preceding month. Nighttime readings in Acle, United Kingdom, during September register a minimal drop from daytime highs, averaging at a mild 13.7°C (56.7°F).

Humidity

The average relative humidity in September is 78%.

Rainfall

In Acle, during September, the rain falls for 12.9 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 174.3 rainfall days, and 337mm (13.27") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Acle.

Daylight

The average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 6:05 am and sunset at 7:41 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:32 pm BST.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

The high-temperature, in September, in Acle, records 17.4°C (63.3°F), while the low-temperature is 13.7°C (56.7°F).

In September, the average relative humidity in Acle is 78%.

In Acle, United Kingdom, during September, the rain falls for 12.9 days and regularly aggregates up to 25mm (0.98") of precipitation.

April through October are months without snowfall.

The average day length in September in Acle, United Kingdom, is 12h and 40min.

On the first day of September, sunrise is at 6:05 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:32 pm BST.

In Acle, the average sunshine duration in September is 8.1h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Acle, United Kingdom

  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (6.7°C).

  • Average low temperature in September: 13.7°C

The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (4.3°C).

Average pressure in September
Acle, United Kingdom

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).

Average wind speed in September
Acle, United Kingdom

  • Average wind speed in September: 20km/h

The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is July (17.1km/h).

Average humidity in September
Acle, United Kingdom

  • Average humidity in September: 78%

The months with the highest relative humidity are January, June and December (83%).
The month with the lowest relative humidity is August (77%).

Average rainfall in September
Acle, United Kingdom

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is October (42mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Acle, United Kingdom

  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (12 days).

Average snowfall in September
Acle, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Acle, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.2 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
Acle, United Kingdom

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).

Average sunshine days in September
Acle, United Kingdom

  • Average sunshine days in September: 13.3 days

The months with the most sunshine days are March and April (15.3 days).
The month with the least sunshine days is November (9.2 days).

Average UV index in September
Acle, United Kingdom

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Acle, United Kingdom

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Acle, United Kingdom

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).