September weather forecastThurso, United Kingdom
September
Weather in September
September, the first month of the autumn in Thurso, is also a moderate month, with an average temperature fluctuating between 13.8°C (56.8°F) and 10.2°C (50.4°F).Temperature
The start of September marks an average high-temperature of a still moderate 13.8°C (56.8°F), hardly distinguishable from the conditions in August. In September, Thurso temperatures settle at a low of 10.2°C (50.4°F) during the nights, reflecting a minor change from daytime highs.Humidity
The average relative humidity in September is 84%.Rainfall
In Thurso, in September, it is raining for 19.5 days, with typically 47mm (1.85") of accumulated precipitation. In Thurso, during the entire year, the rain falls for 237.5 days and collects up to 584mm (22.99") of precipitation.Snowfall
In Thurso, snow does not fall in June through October.Sea temperature
In September, the average sea temperature in Thurso is 13.2°C (55.8°F).Note: In 13.2°C (55.8°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.
Daylight
In September, the average length of the day is 12h and 49min.On the first day of September, sunrise is at 6:14 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:50 pm BST.
Sunshine
In Thurso, the average sunshine in September is 5.9h.UV index
The months with the highest UV index are June, July and September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thurso, 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
Thurso, 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
Thurso, 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
Thurso, 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
Thurso, 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
Thurso, 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
Thurso, 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
Thurso, 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 sea temperature in September
Thurso, United Kingdom
- Average sea temperature in September: 13.2°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.4°C).
Average daylight in September /
Average sunshine in September
Thurso, United Kingdom
- Average daylight in September: 12h and 48min
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 24min).
- Average sunshine in September: 5h and 54min
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
Thurso, 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
Thurso, 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
Thurso, 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
Thurso, 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).
