September weather forecastUpper Borth, United Kingdom
September
Weather in September
September, the first month of the autumn in Upper Borth, is still a mild month, with an average temperature varying between 15.5°C (59.9°F) and 10.7°C (51.3°F).Temperature
With the onset of September, Upper Borth's average high-temperature clocks in at a mild 15.5°C (59.9°F), showing a minor fluctuation from the previous month. Recording a slight drop from the daily maximum, Upper Borth notes an average low temperature of 10.7°C (51.3°F) in the month of September.Humidity
The average relative humidity in September is 86%.Rainfall
In Upper Borth, in September, it is raining for 11.2 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, in Upper Borth, there are 151.5 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
In Upper Borth, snow does not fall in May through November.Daylight
In Upper Borth, the average length of the day in September is 12h and 40min.On the first day of September in Upper Borth, sunrise is at 6:28 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:55 pm BST.
Sunshine
In September, the average sunshine in Upper Borth is 6.5h.UV index
The months with the highest UV index in Upper Borth, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Upper Borth, United Kingdom
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).
Average pressure in September
Upper Borth, United Kingdom
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in September
Upper Borth, United Kingdom
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is December (23.6km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in September
Upper Borth, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Upper Borth, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is May (14mm).
Average rainfall days in September
Upper Borth, United Kingdom
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is December (14.7 days).
The months with the least rainy days are April and May (11.1 days).
Average snowfall in September
Upper Borth, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Upper Borth, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Upper Borth, United Kingdom
- Average daylight in September: 12h and 42min
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: 6h and 30min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Upper Borth, United Kingdom
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is March (16.5 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Upper Borth, 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, March, November and December (UV index 2).
Average cloud cover in September
Upper Borth, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in September
Upper Borth, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (9km).





