September weather forecastGarnant, United Kingdom
September
Weather in September
September, the first month of the autumn in Garnant, is still a refreshing month, with an average temperature ranging between min 11.3°C (52.3°F) and max 16.4°C (61.5°F).Temperature
Garnant's September average high-temperature settles at a still refreshing 16.4°C (61.5°F), showing a near match with the preceding month. An average low-temperature of 11.3°C (52.3°F) is observed during September nights in Garnant.Humidity
In Garnant, the average relative humidity in September is 85%.Rainfall
In September, in Garnant, the rain falls for 12.6 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Garnant, there are 181.3 rainfall days, and 568mm (22.36") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Garnant is 12h and 38min.On the first day of September, sunrise is at 6:28 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:55 pm BST.
Sunshine
The average sunshine in September is 6.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Garnant, United Kingdom
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in September
Garnant, 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 (1009.8mbar).
Average wind speed in September
Garnant, United Kingdom
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is June (14.9km/h).
Average humidity in September
Garnant, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Garnant, United Kingdom
- Average rainfall in September: 37mm
The wettest months (with the highest rainfall) are November and December (66mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in September
Garnant, United Kingdom
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in September
Garnant, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Garnant, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 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
Garnant, United Kingdom
- Average daylight in September: 12h and 36min
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 48min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Garnant, United Kingdom
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Garnant, 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, November and December (UV index 2).
Average cloud cover in September
Garnant, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in September
Garnant, 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).
