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 sea temperature 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 commencement of September notes an average high-temperature of a still comfortable 16.5°C (61.7°F), exhibiting little difference from the previous month. Mevagissey registers an average low-temperature of 13.9°C (57°F) throughout September, a modest decrease from its daytime highs.Humidity
In Mevagissey, the average relative humidity in September is 83%.Rainfall
In Mevagissey, during September, the rain falls for 14.9 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 204.6 rainfall days, and 648mm (25.51") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Mevagissey.Sea temperature
In September, the average sea temperature in Mevagissey is 16.2°C (61.2°F).Note: In 16.2°C (61.2°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
In Mevagissey, United Kingdom, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:03 pm. On the last day of September, in Mevagissey, sunrise is at 7:18 am and sunset at 6:59 pm BST.
Sunshine
In September, the average sunshine in Mevagissey is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 in September translates into these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the usual temperature for Mevagissey in September?
What is the average humidity in September in Mevagissey?
How many days does it rain in September in Mevagissey?
When it does not snow in Mevagissey?
How cold is the water in September in Mevagissey?
What is the average length of the day in September in Mevagissey?
When is the sunrise / sunset in September in Mevagissey?
How long on average sun shines in September in Mevagissey?
What is the UV index intensity in September in Mevagissey?
Average temperature in September
Mevagissey, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.8°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in September
Mevagissey, United Kingdom
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Mevagissey, United Kingdom
- Average wind speed in September: 22.4km/h
The windiest month (with the highest average wind speed) is December (30.4km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).
Average humidity in September
Mevagissey, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, November and December (80%).
Average rainfall in September
Mevagissey, United Kingdom
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is May (30mm).
Average rainfall days in September
Mevagissey, United Kingdom
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is November (21.2 days).
The month with the least rainy days is May (13.3 days).
Average snowfall in September
Mevagissey, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Mevagissey, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Mevagissey, United Kingdom
- Average sea temperature in September: 16.2°C
The best month for swimming (with the highest average sea temperature) is August (17°C).
The coldest month (with the lowest average sea temperature) is March (9.8°C).
Average daylight in September /
Average sunshine in September
Mevagissey, 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 6min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Mevagissey, United Kingdom
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is May (14.1 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in September
Mevagissey, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Mevagissey, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Mevagissey, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Mevagissey, United Kingdom
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