September weather forecastHedon, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Hedon, United Kingdom, with temperature in the range of an average high of 17.4°C (63.3°F) and an average low of 11.3°C (52.3°F).

Temperature

The onset of September brings an average high-temperature of an enjoyable 17.4°C (63.3°F), nearly matching the August temperature. During September, Hedon's temperature averages to a cool 11.3°C (52.3°F) at night.

Humidity

In Hedon, the average relative humidity in September is 79%.

Rainfall

In Hedon, in September, during 7.4 rainfall days, 9mm (0.35") of precipitation is typically accumulated. In Hedon, United Kingdom, during the entire year, the rain falls for 109.1 days and collects up to 154mm (6.06") of precipitation.

Snowfall

In Hedon, United Kingdom, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 41min.
On the first day of the month, sunrise is at 6:10 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:39 pm BST.

Sunshine

In September, the average sunshine is 7.1h.

UV index

In Hedon, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the UV index of 4 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

September temperatures in Hedon vary between a high-temperature of 17.4°C (63.3°F) and a low-temperature of 11.3°C (52.3°F).

In September, the average relative humidity in Hedon, United Kingdom, is 79%.

In September, in Hedon, United Kingdom, the rain falls for 7.4 days. Throughout September, 9mm (0.35") of precipitation is accumulated.

In Hedon, United Kingdom, snow does not fall in April through October.

In September, the average day length in Hedon is 12h and 41min.

On the first day of September in Hedon, United Kingdom, sunrise is at 6:10 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:39 pm BST.

In Hedon, the average sunshine duration in September is 7.1h.

In September, the average daily maximum UV index in Hedon, United Kingdom, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Hedon, United Kingdom

  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is August (20°C).
The month with the lowest average high temperature is January (5.9°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in September
Hedon, United Kingdom

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).

Average wind speed in September
Hedon, United Kingdom

  • Average wind speed in September: 14.9km/h

The windiest month (with the highest average wind speed) is December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).

Average humidity in September
Hedon, United Kingdom

  • Average humidity in September: 79%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Hedon, United Kingdom

  • Average rainfall in September: 9mm

The wettest month (with the highest rainfall) is June (20mm).
The driest month (with the least rainfall) is April (7mm).

Average rainfall days in September
Hedon, United Kingdom

  • Average rainfall days in September: 7.4 days

The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in September
Hedon, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Hedon, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in September: 7h and 6min

The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in September
Hedon, United Kingdom

  • Average sunshine days in September: 20 days

The month with the most sunshine days is September (20 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in September
Hedon, United Kingdom

  • Average UV index in September: 4

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

Average cloud cover in September
Hedon, United Kingdom

  • Average cloud cover in September: 49

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 49).

Average visibility in September
Hedon, United Kingdom

  • Average visibility in September: 9km

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