September weather forecastColpy, United Kingdom
September
Weather in September
September, the first month of the autumn in Colpy, is still a mild month, with an average temperature varying between 8.4°C (47.1°F) and 14.2°C (57.6°F).Temperature
With the onset of September, a modest change to a still refreshing 14.2°C (57.6°F) from August's 16.1°C (61°F) is noted in high-temperature. Nighttime temperatures in September average to a frosty 8.4°C (47.1°F).Humidity
In Colpy, the average relative humidity in September is 86%.Rainfall
In Colpy, United Kingdom, during September, the rain falls for 11.3 days and regularly aggregates up to 19mm (0.75") of precipitation. In Colpy, during the entire year, the rain falls for 134.1 days and collects up to 224mm (8.82") of precipitation.Snowfall
In Colpy, snow does not fall in June through September.Daylight
In Colpy, the average length of the day in September is 12h and 47min.On the first day of September, sunrise is at 6:13 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:47 pm BST.
Sunshine
The average sunshine in September is 6.5h.UV index
In Colpy, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Colpy, United Kingdom
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 8.4°C
The months with the highest average low temperature are July and August (9.8°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Colpy, United Kingdom
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in September
Colpy, United Kingdom
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is January (20.9km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Colpy, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Colpy, United Kingdom
- Average rainfall in September: 19mm
The wettest months (with the highest rainfall) are July and August (27mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Colpy, United Kingdom
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Colpy, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Colpy, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Colpy, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 4h and 0min).
Average sunshine days in September
Colpy, United Kingdom
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (12.6 days).
Average UV index in September
Colpy, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Colpy, United Kingdom
- Average cloud cover in September: 56
The month with the most cloud cover is June (Cloud cover 64).
The month with the least cloud cover is December (Cloud cover 54).
Average visibility in September
Colpy, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
