September weather forecastDown Hatherley, United Kingdom
September
Weather in September
September, the first month of the autumn in Down Hatherley, is still a comfortable month, with an average temperature varying between 9.6°C (49.3°F) and 17.7°C (63.9°F).Temperature
The transition from August to September sees an average high-temperature of a still refreshing 17.7°C (63.9°F), indicating a minor variance from the prior month. Down Hatherley, during the month of September, experiences an average low-temperature of 9.6°C (49.3°F).Humidity
In September, the average relative humidity is 84%.Rainfall
In Down Hatherley, in September, it is raining for 12.7 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Down Hatherley, there are 175.7 rainfall days, and 447mm (17.6") of precipitation is accumulated.Snowfall
In Down Hatherley, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:55 pm. On the last day of September, in Down Hatherley, sunrise is at 7:08 am and sunset at 6:48 pm BST.
Sunshine
In Down Hatherley, United Kingdom, the average sunshine in September is 6.7h.UV index
The months with the highest UV index in Down Hatherley are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Down Hatherley, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in September
Down Hatherley, United Kingdom
- Average pressure in September: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Down Hatherley, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest months (with the lowest average wind speed) are June and July (12.6km/h).
Average humidity in September
Down Hatherley, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (90%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in September
Down Hatherley, United Kingdom
- Average rainfall in September: 28mm
The wettest months (with the highest rainfall) are June and November (50mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Down Hatherley, United Kingdom
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Down Hatherley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Down Hatherley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.1 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
Down Hatherley, 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 42min
The month with the most sunshine is July (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Down Hatherley, United Kingdom
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Down Hatherley, 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
Down Hatherley, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April, July and September (Cloud cover 53).
Average visibility in September
Down Hatherley, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
