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 commencement of September notes an average high-temperature of a still refreshing 13.8°C (56.8°F), exhibiting little difference from the previous month. Nighttime temperatures in Portskerra during September report a consistent average of 10.2°C (50.4°F).Humidity
In September, the average relative humidity in Portskerra, United Kingdom, is 84%.Rainfall
In Portskerra, in September, during 19.5 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, in Portskerra, there are 237.5 rainfall days, and 584mm (22.99") of precipitation is accumulated.Snowfall
In Portskerra, snow does not fall in June through October.Daylight
The average length of the day in September in Portskerra is 12h and 49min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:19 am and sunset at 6:51 pm BST.
Sunshine
In Portskerra, the average sunshine in September is 5.9h.UV index
The months with the highest UV index in Portskerra are June, July and September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in Portskerra in September?
What is the average humidity in September in Portskerra?
How many days does it rain in September in Portskerra?
When it does not snow in Portskerra?
What is the average length of the day in September in Portskerra?
When are sunrise and sunset in September in Portskerra?
How long on average sun shines in September in Portskerra?
What is the month with the highest UV index in Portskerra?
How high is the UV index in September in Portskerra?
Average temperature in September
Portskerra, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is August (15.1°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in September
Portskerra, United Kingdom
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1004.1mbar).
Average wind speed in September
Portskerra, United Kingdom
- Average wind speed in September: 22.3km/h
The windiest month (with the highest average wind speed) is January (29.8km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).
Average humidity in September
Portskerra, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March and April (79%).
Average rainfall in September
Portskerra, United Kingdom
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is October (61mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Portskerra, United Kingdom
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is October (22.2 days).
The month with the least rainy days is February (16.4 days).
Average snowfall in September
Portskerra, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Portskerra, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Portskerra, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Portskerra, United Kingdom
- Average sunshine days in September: 7.1 days
The month with the most sunshine days is June (9.5 days).
The month with the least sunshine days is December (4.3 days).
Average UV index in September
Portskerra, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Portskerra, United Kingdom
- Average cloud cover in September: 60
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in September
Portskerra, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is April (10km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (9km).
Portskerra, United Kingdom
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