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
The average high-temperature during September is a still refreshing 17.2°C (63°F), almost matching the conditions of the preceding month. Acton Round experiences a steady low-temperature of 9°C (48.2°F) throughout September.Humidity
The average relative humidity in September is 85%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.7 days and typically collects 28mm (1.1") of precipitation.Snowfall
In Acton Round, snow does not fall in May through November.Daylight
In Acton Round, United Kingdom, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:57 pm. On the last day of September, in Acton Round, sunrise is at 7:10 am and sunset at 6:49 pm BST.
Sunshine
In Acton Round, the average sunshine in September is 6.3h.UV index
In Acton Round, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are September temperatures in Acton Round?
What is the average humidity in September in Acton Round?
What is the driest month in Acton Round?
How many days does it rain in September in Acton Round?
When it does not snow in Acton Round?
How many hours of daylight does Acton Round have in September?
When is the sunrise / sunset in September in Acton Round?
How many hours of sunshine does Acton Round have in September?
How high is the UV index in September in Acton Round?
Average temperature in September
Acton Round, United Kingdom
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Acton Round, United Kingdom
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Acton Round, United Kingdom
- Average wind speed in September: 13.1km/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 (12.4km/h).
Average humidity in September
Acton Round, United Kingdom
- Average humidity in September: 85%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are May and July (82%).
Average rainfall in September
Acton Round, United Kingdom
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (60mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Acton Round, United Kingdom
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in September
Acton Round, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Acton Round, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Acton Round, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).
Average sunshine days in September
Acton Round, United Kingdom
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Acton Round, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Acton Round, United Kingdom
- Average cloud cover in September: 57
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Acton Round, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March and May (9km).
The months with the lowest visibility are January, April, June, July, August, September, October, November and December (8km).
Acton Round, United Kingdom
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