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
The arrival of September coincides with an average high-temperature of a still enjoyable 16.3°C (61.3°F), indicating a minimal shift from August's 17.4°C (63.3°F). During the month of September, Lamorna identifies an average nighttime low-temperature of 14.8°C (58.6°F), slightly lower than its daytime counterpart.Humidity
In September, the average relative humidity in Lamorna is 82%.Rainfall
In Lamorna, during September, the rain falls for 10.4 days and regularly aggregates up to 14mm (0.55") of precipitation. In Lamorna, during the entire year, the rain falls for 145.7 days and collects up to 225mm (8.86") of precipitation.Snowfall
In Lamorna, United Kingdom, snow does not fall in February through December.Daylight
The average length of the day in September in Lamorna is 12h and 37min.On the first day of September in Lamorna, sunrise is at 6:38 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:02 pm BST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lamorna?
What is the average humidity in September in Lamorna?
How many days does it rain in September in Lamorna?
When it does not snow in Lamorna?
What is the average length of the day in September in Lamorna?
When are sunrise and sunset in September in Lamorna?
How long on average sun shines in September in Lamorna?
What is the UV index intensity in September in Lamorna?
Average temperature in September
Lamorna, United Kingdom
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.4°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in September
Lamorna, United Kingdom
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Lamorna, United Kingdom
- Average wind speed in September: 25.1km/h
The windiest month (with the highest average wind speed) is December (34.4km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity in September
Lamorna, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (79%).
Average rainfall in September
Lamorna, United Kingdom
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is May (10mm).
Average rainfall days in September
Lamorna, United Kingdom
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is November (16.3 days).
The month with the least rainy days is June (9.2 days).
Average snowfall in September
Lamorna, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Lamorna, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Lamorna, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is April (Average sunshine: 8h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Lamorna, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is May (19.2 days).
The month with the least sunshine days is November (9.7 days).
Average UV index in September
Lamorna, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in September
Lamorna, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in September
Lamorna, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Lamorna, United Kingdom
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