September weather forecastCold Ash, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Cold Ash, United Kingdom, with an average temperature fluctuating between 10.2°C (50.4°F) and 18.1°C (64.6°F).Temperature
September's beginning signals an average high-temperature of a refreshing 18.1°C (64.6°F), barely different from August's 20.5°C (68.9°F). Cold Ash experiences an average low-temperature reading of 10.2°C (50.4°F) throughout September.Humidity
In Cold Ash, the average relative humidity in September is 82%.Rainfall
The month with the least rainfall in Cold Ash is September, when the rain falls for 9.3 days and typically collects 13mm (0.51") of precipitation.Snowfall
In Cold Ash, snow does not fall in April through October.Daylight
The average length of the day in September in Cold Ash, United Kingdom, is 12h and 38min.On the first day of September in Cold Ash, sunrise is at 6:18 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:44 pm BST.
Sunshine
In September, the average sunshine in Cold Ash is 7.1h.UV index
In September, the average daily maximum UV index in Cold Ash is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cold Ash, United Kingdom
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Cold Ash, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Cold Ash, United Kingdom
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Cold Ash, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Cold Ash, United Kingdom
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is December (31mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Cold Ash, United Kingdom
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in September
Cold Ash, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Cold Ash, 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
Cold Ash, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Cold Ash, United Kingdom
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in September
Cold Ash, 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
Cold Ash, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Cold Ash, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).
