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
Redbourne experiences an average high-temperature of a comfortable 17.7°C (63.9°F) with the onset of September, subtly varied from August's 20.1°C (68.2°F). Redbourne observes an average nighttime low-temperature of 10.6°C (51.1°F) during the month of September.Humidity
The average relative humidity in September in Redbourne, United Kingdom, is 79%.Rainfall
In Redbourne, in September, it is raining for 7.1 days, with typically 8mm (0.31") of accumulated precipitation. Throughout the year, in Redbourne, United Kingdom, there are 105.3 rainfall days, and 141mm (5.55") of precipitation is accumulated.Snowfall
In Redbourne, snow does not fall in April through October.Daylight
The average length of the day in September in Redbourne is 12h and 41min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:51 pm. On the last day of September, in Redbourne, sunrise is at 7:03 am and sunset at 6:40 pm BST.
Sunshine
In Redbourne, the average sunshine in September is 6.8h.UV index
In Redbourne, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are the temperatures in Redbourne in September?
What is the average humidity in September in Redbourne?
How many days does it rain in September in Redbourne?
When it does not snow in Redbourne?
How many hours of daylight does Redbourne have in September?
When are sunrise and sunset in September in Redbourne?
How many hours of sunshine does Redbourne have in September?
What is the UV index reading in September in Redbourne?
Average temperature in September
Redbourne, 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 (5.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Redbourne, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Redbourne, United Kingdom
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Redbourne, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Redbourne, United Kingdom
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is June (18mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in September
Redbourne, United Kingdom
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is August (11.4 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Redbourne, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Redbourne, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Redbourne, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Redbourne, United Kingdom
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in September
Redbourne, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Redbourne, United Kingdom
- Average cloud cover in September: 51
The months with the most cloud cover are February and November (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 51).
Average visibility in September
Redbourne, 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).
Redbourne, United Kingdom
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