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 arrival shows an average high-temperature of a comfortable 18.9°C (66°F), hardly different from the previous month. An average low-temperature of 11.6°C (52.9°F) is noted during the month of September.Humidity
The average relative humidity in September in Havering-atte-Bower is 77%.Rainfall
In September, in Havering-atte-Bower, the rain falls for 9.1 days. Throughout September, 18mm (0.71") of precipitation is accumulated. In Havering-atte-Bower, during the entire year, the rain falls for 150.3 days and collects up to 287mm (11.3") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Havering-atte-Bower, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:12 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:38 pm BST.
Sunshine
The average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Havering-atte-Bower is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average September temperature in Havering-atte-Bower?
What is the average humidity in September in Havering-atte-Bower?
How many days does it rain in September in Havering-atte-Bower?
When it does not snow in Havering-atte-Bower?
What is the average length of the day in September in Havering-atte-Bower?
When is the sunrise / sunset in September in Havering-atte-Bower?
How long on average sun shines in September in Havering-atte-Bower?
What is the UV index intensity in September in Havering-atte-Bower?
Average temperature in September
Havering-atte-Bower, United Kingdom
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Havering-atte-Bower, 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
Havering-atte-Bower, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Havering-atte-Bower, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Havering-atte-Bower, United Kingdom
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Havering-atte-Bower, United Kingdom
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (9.1 days).
Average snowfall in September
Havering-atte-Bower, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Havering-atte-Bower, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Havering-atte-Bower, 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 2min
The months with the most sunshine are July and August (Average sunshine: 8h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Havering-atte-Bower, United Kingdom
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in September
Havering-atte-Bower, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Havering-atte-Bower, United Kingdom
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in September
Havering-atte-Bower, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Havering-atte-Bower, United Kingdom
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