Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Duns's shift into September sets the average high-temperature at a still refreshing 14.6°C (58.3°F), a figure that deviates only slightly from August's 16.5°C (61.7°F). Duns's average low-temperature during September nights is observed to be a chilly 9.3°C (48.7°F).Humidity
The average relative humidity in September is 86%.Rainfall
In Duns, in September, it is raining for 11.1 days, with typically 19mm (0.75") of accumulated precipitation. In Duns, United Kingdom, during the entire year, the rain falls for 154.3 days and collects up to 289mm (11.38") of precipitation.Snowfall
June through October are months without snowfall in Duns.Daylight
In Duns, the average length of the day in September is 12h and 44min.On the first day of September in Duns, sunrise is at 6:15 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:46 pm BST.
Sunshine
In September, the average sunshine is 6.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Duns?
What is the average humidity in September in Duns?
How many days does it rain in September in Duns?
When it does not snow in Duns?
What is the average length of the day in September in Duns?
What time are sunrise and sunset in September in Duns?
How long on average sun shines in September in Duns?
How high is the UV index in September in Duns?
Average temperature in September
Duns, United Kingdom
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Duns, 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
Duns, United Kingdom
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is January (22.6km/h).
The calmest month (with the lowest average wind speed) is June (14km/h).
Average humidity in September
Duns, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Duns, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (37mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Duns, United Kingdom
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Duns, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Duns, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Duns, United Kingdom
- Average daylight in September: 12h and 4min
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: 6h and 5min
The month with the most sunshine is April (Average sunshine: 7h and 30min).
The month with the least sunshine is October (Average sunshine: 4h and 6min).
Average sunshine days in September
Duns, United Kingdom
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Duns, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Duns, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Duns, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
