September weather forecastPortpatrick, United Kingdom
September
Weather in September
September, the first month of the autumn in Portpatrick, is still a refreshing month, with an average temperature varying between 14.6°C (58.3°F) and 11.9°C (53.4°F).Temperature
September's advent presents an average high-temperature of a still moderate 14.6°C (58.3°F), indicating a slight variation from the conditions of the previous month. Portpatrick's temperature during September nights registers a minor decrease to an average low of 11.9°C (53.4°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Portpatrick, in September, during 16.5 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, there are 210.9 rainfall days, and 632mm (24.88") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:22 am and sunset at 6:58 pm BST.
Sunshine
In September, the average sunshine in Portpatrick is 6.2h.UV index
The months with the highest UV index in Portpatrick are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Portpatrick, United Kingdom
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (15.9°C).
The month with the lowest average high temperature is February (6.9°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Portpatrick, 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
Portpatrick, United Kingdom
- Average wind speed in September: 22.7km/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
Portpatrick, United Kingdom
- Average humidity in September: 84%
The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are April, May and November (81%).
Average rainfall in September
Portpatrick, United Kingdom
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is November (72mm).
The driest months (with the least rainfall) are April and May (32mm).
Average rainfall days in September
Portpatrick, United Kingdom
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is May (14.5 days).
Average snowfall in September
Portpatrick, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Portpatrick, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Portpatrick, United Kingdom
- Average daylight in September: 12h and 42min
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 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
Portpatrick, United Kingdom
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Portpatrick, 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
Portpatrick, 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
Portpatrick, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are January, February, July and August (9km).
