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
September brings a marginal elevation to a refreshing 18.5°C (65.3°F) from August's 21.3°C (70.3°F) in Great Yeldham's average high-temperatures. Great Yeldham's nights in September experience an average temperature drop to a cool 11.4°C (52.5°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Great Yeldham, in September, during 11.3 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Great Yeldham, during the entire year, the rain falls for 158.5 days and collects up to 387mm (15.24") of precipitation.Snowfall
In Great Yeldham, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 6:10 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:37 pm BST.
Sunshine
In Great Yeldham, the average sunshine in September is 6.8h.UV index
In Great Yeldham, United Kingdom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are the temperatures in Great Yeldham in September?
What is the average humidity in September in Great Yeldham?
How many days does it rain in September in Great Yeldham?
When it does not snow in Great Yeldham?
How many hours of daylight does Great Yeldham have in September?
When is the sunrise / sunset in September in Great Yeldham?
How long on average sun shines in September in Great Yeldham?
What is the UV index intensity in September in Great Yeldham?
Average temperature in September
Great Yeldham, United Kingdom
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Great Yeldham, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Great Yeldham, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest months (with the highest average wind speed) are February and December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Great Yeldham, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Great Yeldham, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Great Yeldham, United Kingdom
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Great Yeldham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Great Yeldham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Great Yeldham, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Great Yeldham, United Kingdom
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Great Yeldham, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Great Yeldham, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 50).
Average visibility in September
Great Yeldham, 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).
Great Yeldham, United Kingdom
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