September weather forecastAtcham, United Kingdom
September
Weather in September
September, the first month of the autumn in Atcham, is still a comfortable month, with an average temperature varying between 9°C (48.2°F) and 16.8°C (62.2°F).Temperature
The transition from August to September sees average high-temperatures adjusting to a still comfortable 16.8°C (62.2°F), from a not significantly different 18.9°C (66°F). Atcham reports an average nighttime low-temperature of 9°C (48.2°F) in September.Humidity
The average relative humidity in September in Atcham, United Kingdom, is 86%.Rainfall
In Atcham, in September, it is raining for 13 days, with typically 29mm (1.14") of accumulated precipitation. In Atcham, during the entire year, the rain falls for 174.3 days and collects up to 415mm (16.34") of precipitation.Snowfall
In Atcham, snow does not fall in May through October.Daylight
The average length of the day in September in Atcham is 12h and 40min.On the first day of September, sunrise is at 6:22 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:49 pm BST.
Sunshine
In September, the average sunshine is 6.6h.UV index
In Atcham, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Atcham, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Atcham, United Kingdom
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in September
Atcham, United Kingdom
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is June (11.8km/h).
Average humidity in September
Atcham, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is May (82%).
Average rainfall in September
Atcham, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Atcham, United Kingdom
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is November (16.9 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Atcham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Atcham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Atcham, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 36min
The month with the most sunshine is July (Average sunshine: 7h and 18min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Atcham, United Kingdom
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is March (14.8 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
Atcham, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Atcham, United Kingdom
- Average cloud cover in September: 56
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Atcham, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
