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
As Lasswade, United Kingdom, welcomes September, the average high-temperature stabilizes at a still refreshing 14.7°C (58.5°F), showing little deviation from August's 16.7°C (62.1°F). September brings Lasswade a consistent average low-temperature of 9°C (48.2°F).Humidity
In Lasswade, the average relative humidity in September is 86%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Lasswade, United Kingdom, during the entire year, the rain falls for 205.2 days and collects up to 512mm (20.16") of precipitation.Snowfall
In Lasswade, snow does not fall in April through October.Daylight
In Lasswade, the average length of the day in September is 12h and 44min.On the first day of September in Lasswade, sunrise is at 6:18 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:49 pm BST.
Sunshine
In Lasswade, the average sunshine in September is 6.2h.UV index
In Lasswade, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lasswade in September?
What is the average humidity in September in Lasswade?
How much does it rain in Lasswade in September?
When it does not snow in Lasswade?
How many hours of daylight does Lasswade have in September?
When is the sunrise / sunset in September in Lasswade?
How long on average sun shines in September in Lasswade?
How high is the UV index in September in Lasswade?
Average temperature in September
Lasswade, United Kingdom
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 9°C
The months with the highest average low temperature are July and August (10.4°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Lasswade, United Kingdom
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).
Average wind speed in September
Lasswade, United Kingdom
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is January (20.4km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in September
Lasswade, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Lasswade, United Kingdom
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Lasswade, United Kingdom
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is February (13.2 days).
Average snowfall in September
Lasswade, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lasswade, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Lasswade, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 6h and 1min
The months with the most sunshine are April and June (Average sunshine: 7h and 12min).
The months with the least sunshine are February and October (Average sunshine: 4h and 6min).
Average sunshine days in September
Lasswade, United Kingdom
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is April (12.3 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in September
Lasswade, 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 month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Lasswade, United Kingdom
- Average cloud cover in September: 57
The month with the most cloud cover is June (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Lasswade, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
