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
September's climate shows a minor adjustment in average high-temperatures to a still refreshing 17.8°C (64°F) from August's 19.8°C (67.6°F). In Ampney Crucis, September nights cool down to an average of 9.8°C (49.6°F).Humidity
In September, the average relative humidity is 84%.Rainfall
In Ampney Crucis, in September, during 12.2 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 167.1 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Ampney Crucis.Daylight
In Ampney Crucis, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:54 pm. On the last day of September, in Ampney Crucis, United Kingdom, sunrise is at 7:07 am and sunset at 6:47 pm BST.
Sunshine
In Ampney Crucis, the average sunshine in September is 6.7h.UV index
The months with the highest UV index in Ampney Crucis are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are September temperatures in Ampney Crucis?
What is the average humidity in September in Ampney Crucis?
How many days does it rain in September in Ampney Crucis?
When it does not snow in Ampney Crucis?
What is the average length of the day in September in Ampney Crucis?
What time are sunrise and sunset in September in Ampney Crucis?
How long on average sun shines in September in Ampney Crucis?
When is the highest UV index in Ampney Crucis?
How high is the UV index in September in Ampney Crucis?
Average temperature in September
Ampney Crucis, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in September
Ampney Crucis, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Ampney Crucis, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Ampney Crucis, United Kingdom
- Average humidity in September: 84%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in September
Ampney Crucis, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Ampney Crucis, United Kingdom
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Ampney Crucis, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ampney Crucis, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Ampney Crucis, 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 4min
The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Ampney Crucis, United Kingdom
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in September
Ampney Crucis, 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
Ampney Crucis, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Ampney Crucis, 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).
Ampney Crucis, United Kingdom
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