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
Chelsworth's weather in September indicates an average high-temperature of a comfortable 18.5°C (65.3°F), nearly consistent with the 21.3°C (70.3°F) of August. Throughout the month of September, Chelsworth reports a steady low-temperature average of 11.9°C (53.4°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Chelsworth, in September, during 14 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Chelsworth, during the entire year, the rain falls for 187.2 days and collects up to 468mm (18.43") of precipitation.Snowfall
In Chelsworth, snow does not fall in May through October.Daylight
The average length of the day in September in Chelsworth, United Kingdom, is 12h and 39min.On the first day of September, sunrise is at 6:09 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:35 pm BST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Chelsworth, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are September temperatures in Chelsworth?
What is the average humidity in September in Chelsworth?
How many days does it rain in September in Chelsworth?
When it does not snow in Chelsworth?
What is the average length of the day in September in Chelsworth?
When is the sunrise / sunset in September in Chelsworth?
How many hours of sunshine does Chelsworth have in September?
What is the UV index reading in September in Chelsworth?
Average temperature in September
Chelsworth, United Kingdom
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Chelsworth, United Kingdom
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Chelsworth, United Kingdom
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).
Average humidity in September
Chelsworth, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Chelsworth, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Chelsworth, United Kingdom
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Chelsworth, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Chelsworth, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chelsworth, 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: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Chelsworth, United Kingdom
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (12.8 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in September
Chelsworth, 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
Chelsworth, United Kingdom
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 45).
Average visibility in September
Chelsworth, 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).
Chelsworth, United Kingdom
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