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 sea temperature 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
Dunbar marks the onset of September with an average high-temperature of a still refreshing 14.5°C (58.1°F), a subtle shift from August's 16.2°C (61.2°F). In Dunbar, the average low-temperature during September nights tends to settle at a cool 10.6°C (51.1°F), indicating a slight drop from the daytime peak.Humidity
In Dunbar, the average relative humidity in September is 83%.Rainfall
In Dunbar, in September, during 10.5 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Dunbar, during the entire year, the rain falls for 149.7 days and collects up to 321mm (12.64") of precipitation.Snowfall
In Dunbar, snow does not fall in May through October.Sea temperature
In Dunbar, in September, the average water temperature is 13.7°C (56.7°F).Note: Swimming in 13.7°C (56.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
The average length of the day in September in Dunbar, United Kingdom, is 12h and 44min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:04 pm. On the last day of September, in Dunbar, sunrise is at 7:12 am and sunset at 6:47 pm BST.
Sunshine
In Dunbar, the average sunshine in September is 7.3h.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 medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the usual temperature for Dunbar in September?
What is the average humidity in September in Dunbar?
How much does it rain in Dunbar in September?
When it does not snow in Dunbar?
What is the sea water temperature in September in Dunbar?
How many hours of daylight does Dunbar have in September?
When is the sunrise / sunset in September in Dunbar?
How many hours of sunshine does Dunbar have in September?
What is the month with the highest UV index in Dunbar?
What is the UV index reading in September in Dunbar?
Average temperature in September
Dunbar, United Kingdom
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is August (16.2°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).
Average pressure in September
Dunbar, United Kingdom
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in September
Dunbar, United Kingdom
- Average wind speed in September: 19.6km/h
The windiest months (with the highest average wind speed) are January and December (26.8km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).
Average humidity in September
Dunbar, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are March and April (81%).
Average rainfall in September
Dunbar, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Dunbar, United Kingdom
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Dunbar, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dunbar, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Dunbar, United Kingdom
- Average sea temperature in September: 13.7°C
The best month for swimming (with the highest average sea temperature) is August (14.2°C).
The coldest months (with the lowest average sea temperature) are February and March (6.5°C).
Average daylight in September /
Average sunshine in September
Dunbar, 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: 7h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is October (Average sunshine: 4h and 24min).
Average sunshine days in September
Dunbar, United Kingdom
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Dunbar, 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, March, November and December (UV index 2).
Average cloud cover in September
Dunbar, United Kingdom
- Average cloud cover in September: 50
The months with the most cloud cover are March, June and November (Cloud cover 54).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in September
Dunbar, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
Dunbar, United Kingdom
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