September weather forecastGorstan, United Kingdom
September
Weather in September
September, the first month of the autumn in Gorstan, is still a cool month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 12.8°C (55°F).Temperature
The arrival of September records an average high-temperature of a cool 12.8°C (55°F), closely related to the 14.6°C (58.3°F) observed in August. An average minimum temperature of 7.5°C (45.5°F) is recorded during the month of September.Humidity
In September, the average relative humidity in Gorstan is 89%.Rainfall
In September, the rain falls for 20.1 days. Throughout September, 42mm (1.65") of precipitation is accumulated. In Gorstan, during the entire year, the rain falls for 212.9 days and collects up to 606mm (23.86") of precipitation.Snowfall
In Gorstan, snow does not fall in June through September.Daylight
The average length of the day in September in Gorstan is 12h and 47min.On the first day of September, sunrise is at 6:20 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:55 pm BST.
Sunshine
In September, the average sunshine is 4.3h.UV index
The months with the highest UV index in Gorstan, United Kingdom, are May through September, with an average maximum UV index of 3. 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 typical high UV index of 3 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gorstan, United Kingdom
- Average high temperature in September: 12.8°C
The warmest month (with the highest average high temperature) is July (15.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Gorstan, United Kingdom
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.1mbar).
Average wind speed in September
Gorstan, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is January (18km/h).
The calmest month (with the lowest average wind speed) is June (11.3km/h).
Average humidity in September
Gorstan, United Kingdom
- Average humidity in September: 89%
The months with the highest relative humidity are January, November and December (91%).
The month with the lowest relative humidity is May (82%).
Average rainfall in September
Gorstan, United Kingdom
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Gorstan, United Kingdom
- Average rainfall days in September: 20.1 days
The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Gorstan, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (112mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gorstan, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gorstan, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 4h and 18min
The month with the most sunshine is May (Average sunshine: 5h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Gorstan, United Kingdom
- Average sunshine days in September: 6.9 days
The month with the most sunshine days is January (12.3 days).
The month with the least sunshine days is July (3.9 days).
Average UV index in September
Gorstan, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Gorstan, United Kingdom
- Average cloud cover in September: 73
The month with the most cloud cover is June (Cloud cover 75).
The months with the least cloud cover are April and May (Cloud cover 67).
Average visibility in September
Gorstan, United Kingdom
- Average visibility in September: 7km
The month with the highest visibility is April (9km).
The months with the lowest visibility are August and September (7km).
