September weather forecastAinstable, United Kingdom
September
Weather in September
The first month of the autumn, September, is also a moderate month in Ainstable, United Kingdom, with an average temperature varying between 13.7°C (56.7°F) and 7.2°C (45°F).Temperature
The transition into September notes an average high-temperature of a still refreshing 13.7°C (56.7°F), revealing a mild distinction from the 15.6°C (60.1°F) in August. An average low-temperature of 7.2°C (45°F) marks the month of September in Ainstable.Humidity
In Ainstable, the average relative humidity in September is 91%.Rainfall
In Ainstable, in September, during 16.3 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 190.6 rainfall days, and 609mm (23.98") of precipitation is accumulated.Snowfall
July through September are months without snowfall in Ainstable.Daylight
In Ainstable, the average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 6:18 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:48 pm BST.
Sunshine
The average sunshine in September in Ainstable, United Kingdom, is 4.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ainstable, United Kingdom
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is August (9°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Ainstable, United Kingdom
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed in September
Ainstable, United Kingdom
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Ainstable, United Kingdom
- Average humidity in September: 91%
The months with the highest relative humidity are January, November and December (93%).
The month with the lowest relative humidity is April (85%).
Average rainfall in September
Ainstable, United Kingdom
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Ainstable, United Kingdom
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Ainstable, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Ainstable, United Kingdom
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ainstable, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 4h and 54min
The month with the most sunshine is April (Average sunshine: 5h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Ainstable, United Kingdom
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is April (10.9 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Ainstable, United Kingdom
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Ainstable, United Kingdom
- Average cloud cover in September: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Ainstable, United Kingdom
- Average visibility in September: 7km
The months with the highest visibility are March, April, May, June and October (8km).
The months with the lowest visibility are January, February, July, August, September, November and December (7km).
