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
Weather in September
Temperature
August's transformation into September witnesses an average high-temperature of a still moderate 14.6°C (58.3°F), noting a minor change from the preceding month. The nights of September in Dundrennan are characterized by an average low-temperature of 11°C (51.8°F), subtly descending from daytime highs.Humidity
The average relative humidity in September in Dundrennan is 85%.Rainfall
In Dundrennan, during September, the rain falls for 19.1 days and regularly aggregates up to 59mm (2.32") of precipitation. In Dundrennan, during the entire year, the rain falls for 234.9 days and collects up to 778mm (30.63") of precipitation.Snowfall
In Dundrennan, snow does not fall in April through November.Daylight
In Dundrennan, the average length of the day in September is 12h and 43min.On the first day of September in Dundrennan, United Kingdom, sunrise is at 6:23 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:53 pm BST.
Sunshine
In Dundrennan, the average sunshine in September is 6.5h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. To protect against the Sun's most potent rays, avoid direct exposure around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Dundrennan?
What is the average humidity in September in Dundrennan?
How many days does it rain in September in Dundrennan?
When it does not snow in Dundrennan?
What is the average length of the day in September in Dundrennan?
What time are sunrise and sunset in September in Dundrennan?
How long on average sun shines in September in Dundrennan?
What are the months with the highest UV index in Dundrennan?
What is the UV index reading in September in Dundrennan?
Average temperature in September
Dundrennan, United Kingdom
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).
Average pressure in September
Dundrennan, United Kingdom
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in September
Dundrennan, United Kingdom
- Average wind speed in September: 19.9km/h
The windiest month (with the highest average wind speed) is December (26.9km/h).
The calmest month (with the lowest average wind speed) is June (16.2km/h).
Average humidity in September
Dundrennan, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Dundrennan, United Kingdom
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Dundrennan, United Kingdom
- Average rainfall days in September: 19.1 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is April (15.9 days).
Average snowfall in September
Dundrennan, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Dundrennan, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 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
Dundrennan, United Kingdom
- Average daylight in September: 12h and 4min
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: 6h and 3min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Dundrennan, United Kingdom
- Average sunshine days in September: 8 days
The months with the most sunshine days are April and May (11.1 days).
The month with the least sunshine days is August (5.1 days).
Average UV index in September
Dundrennan, 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
Dundrennan, United Kingdom
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 48).
Average visibility in September
Dundrennan, 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).
Dundrennan, United Kingdom
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