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 advent of September observes an average high-temperature of a still mild 14.1°C (57.4°F), nearly identical to August's 15.8°C (60.4°F). A modest nighttime temperature average of 10.3°C (50.5°F) characterizes September in Downies.Humidity
The average relative humidity in September in Downies, United Kingdom, is 84%.Rainfall
In Downies, during September, the rain falls for 9.7 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, in Downies, there are 142.7 rainfall days, and 226mm (8.9") of precipitation is accumulated.Snowfall
In Downies, snow does not fall in May through October.Daylight
In September, the average length of the day in Downies is 12h and 46min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:04 pm. On the last day of September, in Downies, sunrise is at 7:11 am and sunset at 6:45 pm BST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in September in Downies?
What is the average humidity in September in Downies?
How much does it rain in Downies in September?
When it does not snow in Downies?
How many hours of daylight does Downies have in September?
What time are sunrise and sunset in September in Downies?
How many hours of sunshine does Downies have in September?
When is the highest UV index in Downies?
What is the UV index reading in September in Downies?
Average temperature in September
Downies, United Kingdom
- Average high temperature in September: 14.1°C
The warmest months (with the highest average high temperature) are July and August (15.8°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Downies, United Kingdom
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.5mbar).
Average wind speed in September
Downies, United Kingdom
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is December (25.1km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in September
Downies, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are March and April (81%).
Average rainfall in September
Downies, United Kingdom
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is November (30mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Downies, United Kingdom
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Downies, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Downies, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Downies, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).
Average sunshine days in September
Downies, United Kingdom
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Downies, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are 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
Downies, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in September
Downies, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (9km).
Downies, United Kingdom
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