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
September
Weather in September
Temperature
With the start of September, Gilfach Goch measures an average high-temperature of a still enjoyable 16.6°C (61.9°F), not significantly differing from August's 18.3°C (64.9°F). During September, Gilfach Goch records a consistent average nighttime temperature of 10.4°C (50.7°F).Humidity
The average relative humidity in September is 85%.Rainfall
In September, the rain falls for 10.1 days. Throughout September, 18mm (0.71") of precipitation is accumulated. Throughout the year, there are 150.3 rainfall days, and 270mm (10.63") of precipitation is accumulated.Snowfall
In Gilfach Goch, snow does not fall in May through October.Daylight
In Gilfach Goch, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:00 pm. On the last day of September, in Gilfach Goch, United Kingdom, sunrise is at 7:13 am and sunset at 6:53 pm BST.
Sunshine
In Gilfach Goch, the average sunshine in September is 6.8h.UV index
The months with the highest UV index in Gilfach Goch are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Gilfach Goch?
What is the average humidity in September in Gilfach Goch?
How much does it rain in Gilfach Goch in September?
When it does not snow in Gilfach Goch?
How many hours of daylight does Gilfach Goch have in September?
What time are sunrise and sunset in September in Gilfach Goch?
How many hours of sunshine does Gilfach Goch have in September?
What are the months with the highest UV index in Gilfach Goch?
How high is the UV index in September in Gilfach Goch?
Average temperature in September
Gilfach Goch, United Kingdom
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in September
Gilfach Goch, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Gilfach Goch, United Kingdom
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in September
Gilfach Goch, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Gilfach Goch, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is November (35mm).
The driest month (with the least rainfall) is May (11mm).
Average rainfall days in September
Gilfach Goch, United Kingdom
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is April (9.5 days).
Average snowfall in September
Gilfach Goch, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Gilfach Goch, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Gilfach Goch, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Gilfach Goch, United Kingdom
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is November (10.7 days).
Average UV index in September
Gilfach Goch, 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
Gilfach Goch, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in September
Gilfach Goch, 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).
