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
With September's arrival, Upper Clapton's weather records an average high-temperature of an enjoyable 19°C (66.2°F), marking little difference from August's 21.9°C (71.4°F). In Upper Clapton, an average low-temperature of 11.4°C (52.5°F) is recorded during September nights.Humidity
In Upper Clapton, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Upper Clapton, during the entire year, the rain falls for 148.8 days and collects up to 306mm (12.05") of precipitation.Snowfall
In Upper Clapton, United Kingdom, snow does not fall in May through October.Daylight
In September, the average length of the day in Upper Clapton, United Kingdom, is 12h and 38min.On the first day of September in Upper Clapton, sunrise is at 6:13 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:39 pm BST.
Sunshine
In September, the average sunshine is 7.1h.UV index
In Upper Clapton, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Upper Clapton?
What is the average humidity in September in Upper Clapton?
How many days does it rain in September in Upper Clapton?
When it does not snow in Upper Clapton?
What is the average length of the day in September in Upper Clapton?
When are sunrise and sunset in September in Upper Clapton?
How long on average sun shines in September in Upper Clapton?
What is the UV index reading in September in Upper Clapton?
Average temperature in September
Upper Clapton, United Kingdom
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in September
Upper Clapton, 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 (1010.6mbar).
Average wind speed in September
Upper Clapton, United Kingdom
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).
Average humidity in September
Upper Clapton, United Kingdom
- Average humidity in September: 76%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Upper Clapton, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (33mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Upper Clapton, United Kingdom
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Upper Clapton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Upper Clapton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 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
Upper Clapton, 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: 7h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Upper Clapton, United Kingdom
- Average sunshine days in September: 18 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in September
Upper Clapton, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Upper Clapton, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 49).
Average visibility in September
Upper Clapton, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Upper Clapton, United Kingdom
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