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
September's arrival shows an average high-temperature of a still refreshing 13.3°C (55.9°F), hardly different from the previous month. John o' Groats records a consistent average nighttime temperature of 11.3°C (52.3°F) in September, slightly lower than the daytime high.Humidity
In September, the average relative humidity in John o' Groats, United Kingdom, is 83%.Rainfall
In John o' Groats, during September, the rain falls for 17.8 days and regularly aggregates up to 38mm (1.5") of precipitation. In John o' Groats, during the entire year, the rain falls for 220.8 days and collects up to 426mm (16.77") of precipitation.Snowfall
In John o' Groats, snow does not fall in May through October.Daylight
In John o' Groats, the average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 6:12 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:48 pm BST.
Sunshine
In September, the average sunshine is 6.3h.UV index
The months with the highest UV index in John o' Groats are June through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the temperature in September in John o' Groats?
What is the average humidity in September in John o' Groats?
How many days does it rain in September in John o' Groats?
When it does not snow in John o' Groats?
What is the average length of the day in September in John o' Groats?
When are sunrise and sunset in September in John o' Groats?
How many hours of sunshine does John o' Groats have in September?
When is the highest UV index in John o' Groats?
How high is the UV index in September in John o' Groats?
Average temperature in September
John o' Groats, United Kingdom
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is August (14.5°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in September
John o' Groats, United Kingdom
- Average pressure in September: 1011mbar
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
John o' Groats, United Kingdom
- Average wind speed in September: 26.2km/h
The windiest month (with the highest average wind speed) is January (34.8km/h).
The calmest months (with the lowest average wind speed) are June and July (20.4km/h).
Average humidity in September
John o' Groats, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February, November and December (77%).
Average rainfall in September
John o' Groats, United Kingdom
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is October (50mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
John o' Groats, United Kingdom
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is October (21.9 days).
The month with the least rainy days is June (14.4 days).
Average snowfall in September
John o' Groats, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (14mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
John o' Groats, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
John o' Groats, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
John o' Groats, United Kingdom
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is June (11.9 days).
The month with the least sunshine days is November (4.3 days).
Average UV index in September
John o' Groats, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March and November (UV index 2).
Average cloud cover in September
John o' Groats, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is March (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in September
John o' Groats, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
John o' Groats, United Kingdom
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