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
September
Weather in September
Temperature
September reports an average high-temperature of a still enjoyable 16.8°C (62.2°F), slightly varied from August's 18.6°C (65.5°F). In the month of September, the temperature generally rests at an average low of 10.1°C (50.2°F).Humidity
In Copplestone, the average relative humidity in September is 86%.Rainfall
In Copplestone, United Kingdom, during September, the rain falls for 15 days and regularly aggregates up to 37mm (1.46") of precipitation. In Copplestone, United Kingdom, during the entire year, the rain falls for 201.1 days and collects up to 591mm (23.27") of precipitation.Snowfall
May through November are months without snowfall.Daylight
The average length of the day in September in Copplestone, United Kingdom, is 12h and 37min.On the first day of September, sunrise is at 6:29 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:54 pm BST.
Sunshine
The average sunshine in September is 6.3h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Copplestone. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Copplestone?
What is the average humidity in September in Copplestone?
How many days does it rain in September in Copplestone?
When it does not snow in Copplestone?
What is the average length of the day in September in Copplestone?
When are sunrise and sunset in September in Copplestone?
How long on average sun shines in September in Copplestone?
What are the months with the highest UV index in Copplestone?
What is the UV index intensity in September in Copplestone?
Average temperature in September
Copplestone, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in September
Copplestone, United Kingdom
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Copplestone, United Kingdom
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is February (21km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity in September
Copplestone, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Copplestone, United Kingdom
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in September
Copplestone, United Kingdom
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is January (19.3 days).
The months with the least rainy days are April and September (15 days).
Average snowfall in September
Copplestone, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Copplestone, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Copplestone, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in September
Copplestone, United Kingdom
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is November (7.8 days).
Average UV index in September
Copplestone, 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, February, March, November and December (UV index 2).
Average cloud cover in September
Copplestone, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in September
Copplestone, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
