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
The commencement of September brings an average high-temperature of a still refreshing 16.1°C (61°F), marking an inconsequential divergence from August. The temperature in Bletherston during September experiences a small drop from daytime peaks, recording an average of 13.4°C (56.1°F) at night.Humidity
In Bletherston, the average relative humidity in September is 82%.Rainfall
In Bletherston, United Kingdom, during September, the rain falls for 16.3 days and regularly aggregates up to 48mm (1.89") of precipitation. In Bletherston, during the entire year, the rain falls for 210.4 days and collects up to 577mm (22.72") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Bletherston is 12h and 38min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:19 am and sunset at 6:58 pm BST.
Sunshine
In September, the average sunshine in Bletherston is 7.1h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Bletherston, United Kingdom. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are the temperatures in Bletherston in September?
What is the average humidity in September in Bletherston?
How much does it rain in Bletherston in September?
When it does not snow in Bletherston?
How many hours of daylight does Bletherston have in September?
When is the sunrise / sunset in September in Bletherston?
How long on average sun shines in September in Bletherston?
When is the highest UV index in Bletherston?
What is the UV index intensity in September in Bletherston?
Average temperature in September
Bletherston, United Kingdom
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is August (17.2°C).
The month with the lowest average high temperature is February (8.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in September
Bletherston, United Kingdom
- Average pressure in September: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in September
Bletherston, United Kingdom
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is December (29.1km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).
Average humidity in September
Bletherston, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are February, March, April, November and December (81%).
Average rainfall in September
Bletherston, United Kingdom
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is May (23mm).
Average rainfall days in September
Bletherston, United Kingdom
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is November (21.9 days).
The month with the least rainy days is May (13.9 days).
Average snowfall in September
Bletherston, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bletherston, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bletherston, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Bletherston, United Kingdom
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (5.5 days).
Average UV index in September
Bletherston, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Bletherston, United Kingdom
- Average cloud cover in September: 50
The months with the most cloud cover are November and December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in September
Bletherston, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Bletherston, United Kingdom
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