September weather forecastPrescot, United Kingdom
September
Weather in September
September, the first month of the autumn in Prescot, is still a refreshing month, with an average temperature varying between 16.9°C (62.4°F) and 10.9°C (51.6°F).Temperature
The ushering in of September brings an average high-temperature of a still enjoyable 16.9°C (62.4°F), closely mirroring the 19.1°C (66.4°F) of August. During the month of September, Prescot experiences a steady low-temperature average of 10.9°C (51.6°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In September, in Prescot, the rain falls for 15 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Prescot, there are 203 rainfall days, and 552mm (21.73") of precipitation is accumulated.Snowfall
In Prescot, snow does not fall in April through October.Daylight
In Prescot, United Kingdom, the average length of the day in September is 12h and 41min.On the first day of September in Prescot, United Kingdom, sunrise is at 6:21 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:49 pm BST.
Sunshine
In September, the average sunshine in Prescot is 6.6h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prescot, United Kingdom
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in September
Prescot, 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 (1008.9mbar).
Average wind speed in September
Prescot, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest months (with the highest average wind speed) are January and February (18.5km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in September
Prescot, United Kingdom
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Prescot, United Kingdom
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Prescot, United Kingdom
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is March (14 days).
Average snowfall in September
Prescot, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Prescot, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Prescot, United Kingdom
- Average daylight in September: 12h and 42min
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 36min
The months with the most sunshine are April and May (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Prescot, United Kingdom
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is August (7.4 days).
Average UV index in September
Prescot, 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
Prescot, 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 49).
Average visibility in September
Prescot, 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).





