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
Haroldston West observes a minor difference in average high-temperatures between August's 17.2°C (63°F) and September's 16.1°C (61°F). During the month of September, Haroldston West's average nighttime temperature closely mirrors its daytime counterpart, at a moderate 13.4°C (56.1°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Haroldston West, during September, the rain falls for 16.3 days and regularly aggregates up to 48mm (1.89") of precipitation. In Haroldston West, during the entire year, the rain falls for 210.4 days and collects up to 577mm (22.72") of precipitation.Snowfall
In Haroldston West, snow does not fall in April through October.Daylight
In Haroldston West, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 6:59 pm BST.
Sunshine
The average sunshine in September in Haroldston West is 7.1h.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 moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are September temperatures in Haroldston West?
What is the average humidity in September in Haroldston West?
How many days does it rain in September in Haroldston West?
When it does not snow in Haroldston West?
How many hours of daylight does Haroldston West have in September?
When is the sunrise / sunset in September in Haroldston West?
How long on average sun shines in September in Haroldston West?
When is the highest UV index in Haroldston West?
How high is the UV index in September in Haroldston West?
Average temperature in September
Haroldston West, United Kingdom
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is August (17.2°C).
The month with the lowest average high temperature is February (8.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in September
Haroldston West, 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 (1009.5mbar).
Average wind speed in September
Haroldston West, United Kingdom
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is December (29.1km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).
Average humidity in September
Haroldston West, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are February, March, April, November and December (81%).
Average rainfall in September
Haroldston West, United Kingdom
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is May (23mm).
Average rainfall days in September
Haroldston West, United Kingdom
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is November (21.9 days).
The month with the least rainy days is May (13.9 days).
Average snowfall in September
Haroldston West, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Haroldston West, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Haroldston West, 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: 7h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Haroldston West, United Kingdom
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (5.5 days).
Average UV index in September
Haroldston West, 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 and February (UV index 2).
Average cloud cover in September
Haroldston West, United Kingdom
- Average cloud cover in September: 50
The months with the most cloud cover are November and December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in September
Haroldston West, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Haroldston West, United Kingdom
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