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
Upon the beginning of September, King's Lynn's high-temperatures register at a refreshing 17.9°C (64.2°F), closely mirroring the preceding month. Throughout September, the average low-temperature in King's Lynn dips to a fresh 11.9°C (53.4°F).Humidity
The average relative humidity in September is 79%.Rainfall
In September, in King's Lynn, United Kingdom, the rain falls for 11.6 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In King's Lynn, United Kingdom, during the entire year, the rain falls for 164.6 days and collects up to 376mm (14.8") of precipitation.Snowfall
April through October are months without snowfall in King's Lynn, United Kingdom.Daylight
In King's Lynn, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:46 pm. On the last day of September, in King's Lynn, sunrise is at 6:58 am and sunset at 6:37 pm BST.
Sunshine
In King's Lynn, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Prioritize safety - Recommendations to avert sunburn are shared. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for King's Lynn in September?
What is the average humidity in September in King's Lynn?
How many days does it rain in September in King's Lynn?
When it does not snow in King's Lynn?
What is the average length of the day in September in King's Lynn?
What time are sunrise and sunset in September in King's Lynn?
How long on average sun shines in September in King's Lynn?
What is the UV index intensity in September in King's Lynn?
Average temperature in September
King's Lynn, United Kingdom
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
King's Lynn, 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 (1009.8mbar).
Average wind speed in September
King's Lynn, United Kingdom
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (22km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in September
King's Lynn, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
King's Lynn, United Kingdom
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
King's Lynn, United Kingdom
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (11.6 days).
Average snowfall in September
King's Lynn, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
King's Lynn, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 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
King's Lynn, United Kingdom
- Average daylight in September: 12h and 4min
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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
King's Lynn, United Kingdom
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
King's Lynn, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and 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
King's Lynn, United Kingdom
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 45).
Average visibility in September
King's Lynn, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are March, April, May and August (10km).
The months with the lowest visibility are January, February, June, July, September, October, November and December (9km).
King's Lynn, United Kingdom
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