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
Weather in September
Temperature
Nantglyn, United Kingdom, marks the arrival of September with an average high-temperature of a mild 15.3°C (59.5°F), hardly different from August's 17.2°C (63°F). An average low-temperature of 10°C (50°F) is anticipated throughout the nights in Nantglyn during September.Humidity
In Nantglyn, the average relative humidity in September is 86%.Rainfall
In Nantglyn, United Kingdom, during September, the rain falls for 14.7 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 176 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Nantglyn.Daylight
The average length of the day in September in Nantglyn is 12h and 40min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:52 pm BST.
Sunshine
In Nantglyn, the average sunshine in September is 6.1h.UV index
In Nantglyn, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are September temperatures in Nantglyn?
What is the average humidity in September in Nantglyn?
How much does it rain in Nantglyn in September?
When it does not snow in Nantglyn?
Does it snow in Nantglyn in September?
How many hours of daylight does Nantglyn have in September?
When are sunrise and sunset in September in Nantglyn?
How many hours of sunshine does Nantglyn have in September?
How high is the UV index in September in Nantglyn?
Average temperature in September
Nantglyn, United Kingdom
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The months with the lowest average high temperature are January and February (6.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.5°C).
Average pressure in September
Nantglyn, United Kingdom
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in September
Nantglyn, United Kingdom
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (12.4km/h).
Average humidity in September
Nantglyn, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Nantglyn, United Kingdom
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Nantglyn, United Kingdom
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Nantglyn, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Nantglyn, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nantglyn, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days in September
Nantglyn, United Kingdom
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in September
Nantglyn, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Nantglyn, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in September
Nantglyn, 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).
Nantglyn, United Kingdom
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