September weather forecast
Stewkley, United Kingdom

September

Weather in September

September, the first month of the autumn in Stewkley, is also an enjoyable month, with an average temperature ranging between max 18.1°C (64.6°F) and min 10.4°C (50.7°F).

Temperature

The high-temperature average in September for Stewkley is an enjoyable 18.1°C (64.6°F), staying closely aligned with August's conditions. Stewkley experiences a consistent average temperature of 10.4°C (50.7°F) throughout the nights in September.

Humidity

In Stewkley, the average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall in Stewkley, United Kingdom. Rain falls for 10 days and accumulates 15mm (0.59") of precipitation.

Snowfall

In Stewkley, snow does not fall in May through November.

Daylight

The average length of the day in September in Stewkley is 12h and 39min.
On the first day of September, sunrise is at 6:15 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:42 pm BST.

Sunshine

In September, the average sunshine is 6.9h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What is the temperature in September in Stewkley?
The high-temperature, in September, in Stewkley, is 18.1°C (64.6°F), while the low-temperature averages to 10.4°C (50.7°F).
What is the average humidity in September in Stewkley?
The average relative humidity in September in Stewkley, United Kingdom, is 80%.
What is the driest month in Stewkley?
The month with the least rainfall in Stewkley, United Kingdom, is September, when the rain falls for 10 days and typically collects 15mm (0.59") of precipitation.
How many days does it rain in September in Stewkley?
In September, in Stewkley, United Kingdom, the rain falls for 10 days. Throughout September, 15mm (0.59") of precipitation is accumulated.
When it does not snow in Stewkley?
May through November are months without snowfall in Stewkley.
How many hours of daylight does Stewkley have in September?
The average day length in September in Stewkley is 12h and 39min.
When is the sunrise / sunset in September in Stewkley?
In September, on the first day of the month, sunrise is at 6:15 am and sunset at 7:49 pm. On the last day of the month, in Stewkley, United Kingdom, sunrise is at 7:03 am and sunset at 6:42 pm BST.
How long on average sun shines in September in Stewkley?
In Stewkley, the average sunshine duration in September is 6.9h.
What is the month with the highest UV index in Stewkley?
May through September, with an average maximum UV index of 4, are months with the highest UV index in Stewkley.
What is the UV index intensity in September in Stewkley?
In Stewkley, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Stewkley, United Kingdom
Average temperature in September
Stewkley, United Kingdom
  • Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).

Average pressure in September - Stewkley, United Kingdom
Average pressure in September
Stewkley, United Kingdom
  • Average pressure in September: 1016.6mbar

The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

Average wind speed in September - Stewkley, United Kingdom
Average wind speed in September
Stewkley, United Kingdom
  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

Average humidity in September - Stewkley, United Kingdom
Average humidity in September
Stewkley, United Kingdom
  • Average humidity in September: 80%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).

Average rainfall in September - Stewkley, United Kingdom
Average rainfall in September
Stewkley, United Kingdom
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in September - Stewkley, United Kingdom
Average rainfall days in September
Stewkley, United Kingdom
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in September - Stewkley, United Kingdom
Average snowfall in September
Stewkley, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (11mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September - Stewkley, United Kingdom
Average snowfall days in September
Stewkley, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.7 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 - Stewkley, United Kingdom
Average daylight in September /
Average sunshine in September
Stewkley, United Kingdom
  • Average daylight in September: 12h and 4min

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: 6h and 5min

The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in September - Stewkley, United Kingdom
Average sunshine days in September
Stewkley, United Kingdom
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is March (16.5 days).
The month with the least sunshine days is August (10.3 days).

Average UV index in September - Stewkley, United Kingdom
Average UV index in September
Stewkley, 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 - Stewkley, United Kingdom
Average cloud cover in September
Stewkley, United Kingdom
  • Average cloud cover in September: 51

The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 51).

Average visibility in September - Stewkley, United Kingdom
Average visibility in September
Stewkley, United Kingdom
  • Average visibility in September: 9km

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

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