September weather forecastStewarton, United Kingdom
September
Weather in September
The first month of the autumn, September, is also a moderate month in Stewarton, United Kingdom, with temperature in the range of an average high of 14.3°C (57.7°F) and an average low of 9.4°C (48.9°F).Temperature
With the advent of September, Stewarton's high-temperatures adjust to a mild 14.3°C (57.7°F), closely aligning with the preceding month. Stewarton, during the nights of September, averages a temperature close to its daytime high, at a frosty 9.4°C (48.9°F).Humidity
January, August through December, with an average relative humidity of 88%, are the most humid months in Stewarton.Rainfall
In Stewarton, in September, during 18.9 rainfall days, 54mm (2.13") of precipitation is typically accumulated. In Stewarton, during the entire year, the rain falls for 233.5 days and collects up to 779mm (30.67") of precipitation.Snowfall
In Stewarton, snow does not fall in May through November.Daylight
In September, the average length of the day is 12h and 44min.On the first day of September, sunrise is at 6:24 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 6:55 pm BST.
Sunshine
The average sunshine in September in Stewarton is 5.8h.UV index
In Stewarton, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 3 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stewarton, United Kingdom
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in September
Stewarton, United Kingdom
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).
Average wind speed in September
Stewarton, United Kingdom
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is January (21.9km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).
Average humidity in September
Stewarton, United Kingdom
- Average humidity in September: 88%
The months with the highest relative humidity are January, August, September, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Stewarton, United Kingdom
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in September
Stewarton, United Kingdom
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is August (22.9 days).
The month with the least rainy days is April (16.6 days).
Average snowfall in September
Stewarton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (61mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Stewarton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 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
Stewarton, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 5h and 48min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Stewarton, 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 August (5.8 days).
Average UV index in September
Stewarton, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June and July (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
Stewarton, United Kingdom
- Average cloud cover in September: 60
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in September
Stewarton, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).
