September weather forecastDirleton, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a mild month in Dirleton, United Kingdom, with an average temperature fluctuating between 10.6°C (51.1°F) and 14.5°C (58.1°F).Temperature
The transition into September shows a subtle variation to a mild 14.5°C (58.1°F) from August's 16.2°C (61.2°F) in the average high-temperature. A mean low-temperature of 10.6°C (51.1°F) is a distinguishing feature of September in Dirleton, indicating a slight dip from daytime highs.Humidity
In Dirleton, United Kingdom, the average relative humidity in September is 83%.Rainfall
In Dirleton, during September, the rain falls for 10.5 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, in Dirleton, there are 149.7 rainfall days, and 321mm (12.64") of precipitation is accumulated.Snowfall
In Dirleton, snow does not fall in May through October.Daylight
In Dirleton, United Kingdom, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 6:16 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:48 pm BST.
Sunshine
In September, the average sunshine is 7.3h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dirleton, United Kingdom
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is August (16.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).
Average pressure in September
Dirleton, United Kingdom
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in September
Dirleton, United Kingdom
- Average wind speed in September: 19.6km/h
The windiest months (with the highest average wind speed) are January and December (26.8km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).
Average humidity in September
Dirleton, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are March and April (81%).
Average rainfall in September
Dirleton, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Dirleton, United Kingdom
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Dirleton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dirleton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.4 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
Dirleton, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is October (Average sunshine: 4h and 24min).
Average sunshine days in September
Dirleton, United Kingdom
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Dirleton, 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
Dirleton, United Kingdom
- Average cloud cover in September: 50
The months with the most cloud cover are March, June and November (Cloud cover 54).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Dirleton, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
