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 transition into September reveals an average high-temperature of a still enjoyable 16.6°C (61.9°F), mirroring a close resemblance to August. A modest dip in temperatures to an average of 11.7°C (53.1°F) is observed throughout Seaforth's September nights.Humidity
The average relative humidity in September in Seaforth is 80%.Rainfall
In Seaforth, in September, it is raining for 13 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in Seaforth, there are 173.2 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
In Seaforth, United Kingdom, snow does not fall in May through November.Daylight
In Seaforth, the average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 6:22 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:50 pm BST.
Sunshine
The average sunshine in September is 6.7h.UV index
The months with the highest UV index in Seaforth, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Seaforth?
What is the average humidity in September in Seaforth?
How many days does it rain in September in Seaforth?
When it does not snow in Seaforth?
What is the average length of the day in September in Seaforth?
When are sunrise and sunset in September in Seaforth?
How long on average sun shines in September in Seaforth?
What are the months with the highest UV index in Seaforth?
What is the UV index reading in September in Seaforth?
Average temperature in September
Seaforth, United Kingdom
- Average high temperature in September: 16.6°C
The warmest months (with the highest average high temperature) are July and August (18.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).
Average pressure in September
Seaforth, United Kingdom
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Seaforth, United Kingdom
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is June (14km/h).
Average humidity in September
Seaforth, United Kingdom
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Seaforth, United Kingdom
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Seaforth, United Kingdom
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are August and November (16.8 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in September
Seaforth, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Seaforth, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.4 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
Seaforth, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Seaforth, United Kingdom
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (17 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in September
Seaforth, 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, February, November and December (UV index 2).
Average cloud cover in September
Seaforth, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in September
Seaforth, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).
Seaforth, United Kingdom
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