September weather forecastHolkham, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Holkham, United Kingdom, with temperature in the range of an average high of 16.7°C (62.1°F) and an average low of 13.3°C (55.9°F).Temperature
With the onset of September, a modest change to a still enjoyable 16.7°C (62.1°F) from August's 18.9°C (66°F) is noted in high-temperature. Throughout the nights in September, Holkham notes an average low of 13.3°C (55.9°F), a small dip from the daytime peak.Humidity
The months with the lowest humidity in Holkham, United Kingdom, are August and September, with an average relative humidity of 79%.Rainfall
In Holkham, in September, it is raining for 9.9 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Holkham, there are 170.1 rainfall days, and 436mm (17.17") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Holkham, United Kingdom.Daylight
In Holkham, United Kingdom, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:45 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:35 pm BST.
Sunshine
The average sunshine in September in Holkham is 7.7h.UV index
In September, the average daily maximum UV index in Holkham is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holkham, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Holkham, United Kingdom
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Holkham, United Kingdom
- Average wind speed in September: 19.8km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (16.5km/h).
Average humidity in September
Holkham, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January, June and December (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Holkham, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is December (52mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Holkham, United Kingdom
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is December (17.5 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Holkham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Holkham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Holkham, United Kingdom
- Average daylight in September: 12h and 42min
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 42min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in September
Holkham, United Kingdom
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Holkham, 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
Holkham, United Kingdom
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Holkham, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
