September weather forecastDownhead, United Kingdom
September
Weather in September
September, the first month of the autumn in Downhead, is still a comfortable month, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 10.3°C (50.5°F).Temperature
The shift into September reveals an average high-temperature of a still enjoyable 17.8°C (64°F), closely mirroring August's climate. An average low-temperature of 10.3°C (50.5°F) is expected during September.Humidity
In Downhead, the average relative humidity in September is 84%.Rainfall
The months with the least rainfall are April and September Rain falls for 12.4 days and accumulates 30mm (1.18") of rain.Snowfall
In Downhead, snow does not fall in April through October.Daylight
In Downhead, the average length of the day in September is 12h and 38min.On the first day of September in Downhead, sunrise is at 6:23 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:49 pm BST.
Sunshine
In September, the average sunshine is 6.9h.UV index
The months with the highest UV index in Downhead are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Downhead, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Downhead, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Downhead, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Downhead, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (82%).
Average rainfall in September
Downhead, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (67mm).
The driest months (with the least rainfall) are April and September (30mm).
Average rainfall days in September
Downhead, United Kingdom
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is November (16.5 days).
The months with the least rainy days are February and September (12.4 days).
Average snowfall in September
Downhead, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Downhead, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.7 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
Downhead, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Downhead, United Kingdom
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Downhead, 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
Downhead, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 50).
Average visibility in September
Downhead, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
