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
The start of September sees the average high-temperature at a still comfortable 16.2°C (61.2°F), showing little difference from August's 17.8°C (64°F). In Blaengarw, the average low-temperature during the month of September is a frosty 9.9°C (49.8°F).Humidity
In Blaengarw, United Kingdom, the average relative humidity in September is 87%.Rainfall
In Blaengarw, in September, it is raining for 15.5 days, with typically 41mm (1.61") of accumulated precipitation. In Blaengarw, during the entire year, the rain falls for 200.8 days and collects up to 659mm (25.94") of precipitation.Snowfall
In Blaengarw, snow does not fall in May through October.Daylight
The average length of the day in September in Blaengarw is 12h and 38min.On the first day of September, sunrise is at 6:27 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:53 pm BST.
Sunshine
In September, the average sunshine is 6.3h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Blaengarw?
What is the average humidity in September in Blaengarw?
How much does it rain in Blaengarw in September?
When it does not snow in Blaengarw?
How many hours of daylight does Blaengarw have in September?
What time are sunrise and sunset in September in Blaengarw?
How long on average sun shines in September in Blaengarw?
What is the UV index intensity in September in Blaengarw?
Average temperature in September
Blaengarw, United Kingdom
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in September
Blaengarw, United Kingdom
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Blaengarw, United Kingdom
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is February (20.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity in September
Blaengarw, United Kingdom
- Average humidity in September: 87%
The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Blaengarw, United Kingdom
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is May (34mm).
Average rainfall days in September
Blaengarw, United Kingdom
- Average rainfall days in September: 15.5 days
The months with the highest number of rainy days are August and November (19.4 days).
The month with the least rainy days is February (13.3 days).
Average snowfall in September
Blaengarw, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Blaengarw, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Blaengarw, 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 2min
The months with the most sunshine are April and May (Average sunshine: 7h and 24min).
The months with the least sunshine are January, February, November and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Blaengarw, United Kingdom
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is April (12.9 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in September
Blaengarw, 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
Blaengarw, United Kingdom
- Average cloud cover in September: 57
The month with the most cloud cover is November (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in September
Blaengarw, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
Blaengarw, United Kingdom
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