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
Adderbury's average high-temperature in September is a comfortable 17.8°C (64°F), marking an insignificant difference from the 20.1°C (68.2°F) of August. September brings with it a nighttime average temperature of 9.9°C (49.8°F).Humidity
The average relative humidity in September in Adderbury is 82%.Rainfall
In Adderbury, in September, it is raining for 10 days, with typically 15mm (0.59") of accumulated precipitation. Throughout the year, there are 139.7 rainfall days, and 211mm (8.31") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Adderbury.Daylight
In Adderbury, the average length of the day in September is 12h and 39min.On the first day of September in Adderbury, sunrise is at 6:18 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:44 pm BST.
Sunshine
In September, the average sunshine in Adderbury is 6.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. 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, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are the temperatures in Adderbury in September?
What is the average humidity in September in Adderbury?
How many days does it rain in September in Adderbury?
When it does not snow in Adderbury?
How many hours of daylight does Adderbury have in September?
When is the sunrise / sunset in September in Adderbury?
How long on average sun shines in September in Adderbury?
When is the highest UV index in Adderbury?
What is the UV index intensity in September in Adderbury?
Average temperature in September
Adderbury, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Adderbury, United Kingdom
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Adderbury, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Adderbury, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).
Average rainfall in September
Adderbury, United Kingdom
- Average rainfall in September: 15mm
The wettest months (with the highest rainfall) are June and August (25mm).
The driest months (with the least rainfall) are March and April (12mm).
Average rainfall days in September
Adderbury, United Kingdom
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Adderbury, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Adderbury, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Adderbury, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 18min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in September
Adderbury, United Kingdom
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is March (17.6 days).
The month with the least sunshine days is August (11.6 days).
Average UV index in September
Adderbury, 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
Adderbury, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 52).
Average visibility in September
Adderbury, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, July, August, October and December (9km).
The months with the lowest visibility are April, May, June, September and November (8km).
Adderbury, United Kingdom
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