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
The arrival of September sees a recorded average high-temperature of a comfortable 18.2°C (64.8°F), showing little divergence from the previous month's conditions. High Halden witnesses an average low-temperature of 12.5°C (54.5°F) throughout the month of September.Humidity
The average relative humidity in September in High Halden, United Kingdom, is 79%.Rainfall
In September, in High Halden, the rain falls for 11.5 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 165.3 rainfall days, and 370mm (14.57") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In High Halden, the average length of the day in September is 12h and 38min.On the first day of September in High Halden, sunrise is at 6:11 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:37 pm BST.
Sunshine
In September, the average sunshine in High Halden is 8.2h.UV index
In High Halden, United Kingdom, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in September in High Halden?
What is the average humidity in September in High Halden?
How many days does it rain in September in High Halden?
When it does not snow in High Halden?
How many hours of daylight does High Halden have in September?
When is the sunrise / sunset in September in High Halden?
How long on average sun shines in September in High Halden?
How high is the UV index in September in High Halden?
Average temperature in September
High Halden, United Kingdom
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
High Halden, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
High Halden, United Kingdom
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in September
High Halden, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
High Halden, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
High Halden, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (16.4 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
High Halden, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
High Halden, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
High Halden, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
High Halden, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
High Halden, 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
High Halden, United Kingdom
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
High Halden, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
High Halden, United Kingdom
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