September weather forecastChirnside, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a mild month in Chirnside, United Kingdom, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 10.6°C (51.1°F).Temperature
With the onset of September, a modest change to a mild 14.7°C (58.5°F) from August's 16.5°C (61.7°F) is noted in high-temperature. Nighttime readings during September register a minimal drop from daytime highs, averaging at a fresh 10.6°C (51.1°F).Humidity
The months with the highest humidity in Chirnside are January, June through December, with an average relative humidity of 84%.Rainfall
In Chirnside, United Kingdom, in September, during 14.4 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 195.7 rainfall days, and 465mm (18.31") of precipitation is accumulated.Snowfall
In Chirnside, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 44min.On the first day of September, sunrise is at 6:14 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:46 pm BST.
Sunshine
The average sunshine in September is 7.1h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Chirnside. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chirnside, United Kingdom
- Average high temperature in September: 14.7°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 (5.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).
Average pressure in September
Chirnside, United Kingdom
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in September
Chirnside, United Kingdom
- Average wind speed in September: 19.7km/h
The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is June (15.6km/h).
Average humidity in September
Chirnside, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, June, July, August, September, October, November and December (84%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Chirnside, United Kingdom
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is August (58mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Chirnside, United Kingdom
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (12 days).
Average snowfall in September
Chirnside, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Chirnside, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chirnside, 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 6min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).
Average sunshine days in September
Chirnside, United Kingdom
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is April (12.8 days).
The month with the least sunshine days is August (7.5 days).
Average UV index in September
Chirnside, 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, November and December (UV index 2).
Average cloud cover in September
Chirnside, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Chirnside, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, April, September, October and December (10km).
The months with the lowest visibility are January, March, May, June, July, August and November (9km).
