Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
At the start of September, Knucklas's average high-temperature reaches a still comfortable 16.5°C (61.7°F), subtly different from the preceding month. Knucklas registers a consistent average low-temperature of 8.6°C (47.5°F) during September.Humidity
In Knucklas, the average relative humidity in September is 87%.Rainfall
September is the month with the least rainfall. Rain falls for 7.7 days and accumulates 10mm (0.39") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Knucklas, United Kingdom, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:51 pm BST.
Sunshine
In September, the average sunshine in Knucklas, United Kingdom, is 6.4h.UV index
In Knucklas, United Kingdom, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are the temperatures in Knucklas in September?
What is the average humidity in September in Knucklas?
What is the driest month in Knucklas?
How many days does it rain in September in Knucklas?
When it does not snow in Knucklas?
How many hours of daylight does Knucklas have in September?
When is the sunrise / sunset in September in Knucklas?
How long on average sun shines in September in Knucklas?
What is the UV index reading in September in Knucklas?
Average temperature in September
Knucklas, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 8.6°C
The months with the highest average low temperature are July and August (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.2°C).
Average pressure in September
Knucklas, United Kingdom
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in September
Knucklas, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Knucklas, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in September
Knucklas, United Kingdom
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Knucklas, United Kingdom
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Knucklas, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Knucklas, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Knucklas, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).
Average sunshine days in September
Knucklas, United Kingdom
- Average sunshine days in September: 19.5 days
The months with the most sunshine days are January and December (20.7 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Knucklas, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Knucklas, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Knucklas, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
Knucklas, United Kingdom
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