September weather forecastDumfries, United Kingdom
September weather for Dumfries, United Kingdom: The first month of the autumn, September, is still a refreshing month in Dumfries, United Kingdom, with an average temperature fluctuating between 9°C (48.2°F) and 14.8°C (58.6°F). In Dumfries, United Kingdom, in September, during 18.2 rainfall days, 56mm (2.2") of precipitation is typically accumulated.
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Dumfries, United Kingdom, with an average temperature fluctuating between 9°C (48.2°F) and 14.8°C (58.6°F).Temperature
Dumfries's average high-temperature in September is a still refreshing 14.8°C (58.6°F), indicating a subtle variation from August. In September, the nighttime temperature in Dumfries lowers to an average of 9°C (48.2°F).Humidity
In Dumfries, United Kingdom, the average relative humidity in September is 88%.Rainfall
In Dumfries, in September, during 18.2 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, in Dumfries, there are 231.6 rainfall days, and 778mm (30.63") of precipitation is accumulated.Snowfall
In Dumfries, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 43min.On the first day of September in Dumfries, sunrise is at 6:21 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:52 pm BST.
Sunshine
In September, the average sunshine in Dumfries, United Kingdom, is 6.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dumfries, United Kingdom
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Dumfries, United Kingdom
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.5mbar).
Average wind speed in September
Dumfries, United Kingdom
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).
Average humidity in September
Dumfries, United Kingdom
- Average humidity in September: 88%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Dumfries, United Kingdom
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is August (89mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Dumfries, United Kingdom
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is February (16.1 days).
Average snowfall in September
Dumfries, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dumfries, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Dumfries, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 6h and 6min
The months with the most sunshine are April and May (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Dumfries, United Kingdom
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is April (11 days).
The month with the least sunshine days is August (5.5 days).
Average UV index in September
Dumfries, 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
Dumfries, United Kingdom
- Average cloud cover in September: 59
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Dumfries, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).





