September weather forecastBargrennan, United Kingdom
September weather for Bargrennan, United Kingdom: On the first day of September in Bargrennan, United Kingdom, sunrise is at 6:25 am and sunset at 8:10 pm. In Bargrennan, United Kingdom, in September, during 14.4 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
September
Weather in September
September, the first month of the autumn in Bargrennan, is also a moderate month, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 14.6°C (58.3°F).Temperature
September's onset records a minor alteration in the average high-temperature to a still mild 14.6°C (58.3°F) from August's 15.8°C (60.4°F). September notes an average low temperature of 11.8°C (53.2°F) in Bargrennan, subtly down from the daytime highs.Humidity
In Bargrennan, the average relative humidity in September is 84%.Rainfall
In Bargrennan, United Kingdom, in September, during 14.4 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Bargrennan, United Kingdom, during the entire year, the rain falls for 191.6 days and collects up to 551mm (21.69") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Bargrennan, the average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:10 pm. On the last day of September, in Bargrennan, sunrise is at 7:20 am and sunset at 6:56 pm BST.
Sunshine
In September, the average sunshine in Bargrennan is 6.2h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bargrennan, United Kingdom
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Bargrennan, United Kingdom
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in September
Bargrennan, United Kingdom
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is December (29.5km/h).
The calmest month (with the lowest average wind speed) is June (17.4km/h).
Average humidity in September
Bargrennan, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are July and August (86%).
The months with the lowest relative humidity are April, May and November (81%).
Average rainfall in September
Bargrennan, United Kingdom
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in September
Bargrennan, United Kingdom
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is May (13.2 days).
Average snowfall in September
Bargrennan, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Bargrennan, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Bargrennan, 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 12min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Bargrennan, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is May (16.1 days).
The month with the least sunshine days is August (9.6 days).
Average UV index in September
Bargrennan, 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
Bargrennan, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in September
Bargrennan, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).





