September weather forecastWarthill, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Warthill, United Kingdom, with an average temperature ranging between min 9.7°C (49.5°F) and max 17.4°C (63.3°F).

Temperature

Warthill starts September with an average high-temperature of a still enjoyable 17.4°C (63.3°F), a minor shift from August's 19.9°C (67.8°F). Warthill records a mean low-temperature of 9.7°C (49.5°F) in September.

Humidity

The average relative humidity in September in Warthill is 81%.

Rainfall

In Warthill, during September, the rain falls for 12.5 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Warthill, there are 172.6 rainfall days, and 382mm (15.04") of precipitation is accumulated.

Snowfall

In Warthill, snow does not fall in May through October.

Daylight

The average length of the day in September in Warthill is 12h and 41min.
On the first day of the month, sunrise is at 6:13 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:42 pm BST.

Sunshine

The average sunshine in September is 6.9h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index in Warthill. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

During September, Warthill experiences an average high-temperature of 17.4°C (63.3°F) and a low-temperature of 9.7°C (49.5°F).

In September, the average relative humidity in Warthill is 81%.

In Warthill, United Kingdom, in September, it is raining for 12.5 days, with typically 26mm (1.02") of accumulated precipitation.

In Warthill, United Kingdom, snow does not fall in May through October.

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

On the first day of September, sunrise is at 6:13 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:42 pm BST.

The average sunshine duration in September is 6.9h.

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

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Warthill, United Kingdom

  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in September
Warthill, United Kingdom

  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

Average wind speed in September
Warthill, United Kingdom

  • Average wind speed in September: 12.7km/h

The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is June (11.8km/h).

Average humidity in September
Warthill, United Kingdom

  • Average humidity in September: 81%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (79%).

Average rainfall in September
Warthill, United Kingdom

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Warthill, United Kingdom

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (11.7 days).

Average snowfall in September
Warthill, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Warthill, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.6 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
Warthill, 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: 6h and 54min

The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).

Average sunshine days in September
Warthill, United Kingdom

  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is December (14.6 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in September
Warthill, 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
Warthill, United Kingdom

  • Average cloud cover in September: 53

The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 52).

Average visibility in September
Warthill, United Kingdom

  • Average visibility in September: 8km

The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).