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
September
Weather in September
Temperature
The transition into September reveals an average high-temperature of an enjoyable 18.4°C (65.1°F), mirroring a close resemblance to August. During September, Mortimer West End experiences an average low-temperature of 10.4°C (50.7°F) at night.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Mortimer West End, United Kingdom. Rain falls for 10.3 days and accumulates 17mm (0.67") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Mortimer West End, United Kingdom, is 12h and 38min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:50 pm. On the last day of September, in Mortimer West End, United Kingdom, sunrise is at 7:04 am and sunset at 6:44 pm BST.
Sunshine
The average sunshine in September is 7h.UV index
In September, the average daily maximum UV index in Mortimer West End is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Mortimer West End?
What is the average humidity in September in Mortimer West End?
What is the driest month in Mortimer West End?
How much does it rain in Mortimer West End in September?
When it does not snow in Mortimer West End?
What is the average length of the day in September in Mortimer West End?
When are sunrise and sunset in September in Mortimer West End?
How long on average sun shines in September in Mortimer West End?
How high is the UV index in September in Mortimer West End?
Average temperature in September
Mortimer West End, United Kingdom
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Mortimer West End, 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 (1010.4mbar).
Average wind speed in September
Mortimer West End, 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 month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Mortimer West End, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Mortimer West End, United Kingdom
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in September
Mortimer West End, United Kingdom
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is September (10.3 days).
Average snowfall in September
Mortimer West End, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Mortimer West End, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Mortimer West End, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Mortimer West End, United Kingdom
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Mortimer West End, 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
Mortimer West End, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in September
Mortimer West End, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (9km).
The months with the lowest visibility are October and November (8km).
