September weather forecastMappleton, United Kingdom
September
Weather in September
September, the first month of the autumn in Mappleton, is also an enjoyable month, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 17.2°C (63°F).Temperature
Entering September, the average high-temperature is recorded at a still refreshing 17.2°C (63°F), exhibiting a minimal shift from August's 19.5°C (67.1°F). During the month of September, an average low-temperature of 11.1°C (52°F) is recorded in Mappleton.Humidity
In September, the average relative humidity in Mappleton, United Kingdom, is 80%.Rainfall
In September, in Mappleton, the rain falls for 10.9 days. Throughout September, 14mm (0.55") of precipitation is accumulated. In Mappleton, during the entire year, the rain falls for 146.7 days and collects up to 245mm (9.65") of precipitation.Snowfall
In Mappleton, snow does not fall in April through October.Sea temperature
In September, the average sea temperature is 15.1°C (59.2°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 15.1°C (59.2°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 12h and 41min.On the first day of September in Mappleton, sunrise is at 6:10 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:39 pm BST.
Sunshine
In September, the average sunshine in Mappleton, United Kingdom, is 7h.UV index
In September, the average daily maximum UV index in Mappleton is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mappleton, United Kingdom
- Average high temperature in September: 17.2°C
The warmest months (with the highest average high temperature) are July and August (19.5°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in September
Mappleton, United Kingdom
- Average pressure in September: 1015.3mbar
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
Mappleton, United Kingdom
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are June and July (13.2km/h).
Average humidity in September
Mappleton, United Kingdom
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Mappleton, United Kingdom
- Average rainfall in September: 14mm
The wettest months (with the highest rainfall) are June and August (30mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Mappleton, United Kingdom
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in September
Mappleton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Mappleton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Mappleton, United Kingdom
- Average sea temperature in September: 15.1°C
The best month for swimming (with the highest average sea temperature) is August (15.7°C).
The coldest months (with the lowest average sea temperature) are February and March (6.6°C).
Average daylight in September /
Average sunshine in September
Mappleton, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 0min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The months with the least sunshine are February and November (Average sunshine: 3h and 48min).
Average sunshine days in September
Mappleton, United Kingdom
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Mappleton, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mappleton, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in September
Mappleton, 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).





