The weather in September in Thurso

It's cool to moderate in September in Thurso with an average temperature of 15°C. Temperatures this month range from a low of 14°C to a high of 17°C. At night, you can expect temperatures between 8°C and 12°C.

Looking for sun and warm weather? September isn’t a good month to be in Thurso. The temperatures are too low for a warm stay this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Thurso, Scotland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 24°C in 2023, Thurso reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 9°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 16°C.

Water temperature

The water temperature at Thurso is 14°C this month. This is too cold to swim without protective gear.

Rainfall amount

In September, there is an average of 66 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in September for Thurso

Click on any day in September to get detailed info about the usual weather on that day in Thurso. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Thurso New York
Average temperature 15°C 27°C
Max. temperature 17°C 31°C
Min. temperature 8°C -5°C
Total precipitation 66 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Thurso with cool temps, averaging around 16°C during the day and nights around 12°C.

Mid September

By mid-September, daytime temps stay steady at around 16°C, with nights around 11°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Thurso is around 15°C, while nighttime temps are about 10°C. A shower might pop up, but overall, the weather will be dry and sunny.

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UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Thurso for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Thurso, Scotland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Thurso

Temperature in September in Thurso over the years

Precipitation charts

These charts show the average amount of precipitation in September in Thurso, Scotland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Thurso

Total precipitation in September in Thurso over the years

Daily UV index in September in Thurso

This chart shows the average daily UV index in September in Thurso, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Thurso

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Average weather in Thurso by month

Click on a month below to see detailed weather info for Thurso. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.