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 is marked with an average high-temperature of an enjoyable 18.2°C (64.8°F), showing an insignificant shift from August's 20.7°C (69.3°F). The temperature in Lower Assendon dips to an average of 10°C (50°F) during September nights.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Lower Assendon. Rain falls for 10.9 days and accumulates 24mm (0.94") of precipitation.Snowfall
April through October are months without snowfall in Lower Assendon.Daylight
In Lower Assendon, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:17 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:43 pm BST.
Sunshine
The average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lower Assendon?
What is the average humidity in September in Lower Assendon?
What is the driest month in Lower Assendon?
How much does it rain in Lower Assendon in September?
When it does not snow in Lower Assendon?
What is the average length of the day in September in Lower Assendon?
When is the sunrise / sunset in September in Lower Assendon?
How many hours of sunshine does Lower Assendon have in September?
How high is the UV index in September in Lower Assendon?
Average temperature in September
Lower Assendon, United Kingdom
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in September
Lower Assendon, United Kingdom
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Lower Assendon, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Lower Assendon, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Lower Assendon, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Lower Assendon, United Kingdom
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Lower Assendon, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lower Assendon, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 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
Lower Assendon, 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 July (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Lower Assendon, United Kingdom
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Lower Assendon, 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
Lower Assendon, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Lower Assendon, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).
