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ScotlandThe weather in September in Lerwick
It's cool in September in Lerwick with an average temperature of 14°C. Temperatures this month range from a low of 12°C to a high of 15°C. At night, you can expect temperatures between 8°C and 11°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Lerwick, 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 21°C in 2023, Lerwick reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 14°C.
Rainfall amount
In September, there is an average of 88 mm of precipitation, spread over 12 days. The wind speed is around 6 Bft, mostly coming from the Southwest.
Daily weather in September for Lerwick
Click on any day in September to get detailed info about the usual weather on that day in Lerwick. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Lerwick | New York | |
|---|---|---|
| Average temperature | 14°C | 27°C |
| Max. temperature | 15°C | 31°C |
| Min. temperature | 8°C | -5°C |
| Total precipitation | 88 mm | 57 mm |
| Rainy days | 12 days | 9 days |
Start of September
The month of September starts in Lerwick with cool temps, averaging around 15°C during the day and nights around 11°C.
Mid September
By mid-September, daytime temps drop to around 14°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Lerwick is around 13°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 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Check out the climate of Lerwick for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Lerwick, Scotland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Lerwick
Temperature in September in Lerwick over the years
Precipitation charts
These charts show the average amount of precipitation in September in Lerwick, 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 Lerwick
Total precipitation in September in Lerwick over the years
Daily UV index in September in Lerwick
This chart shows the average daily UV index in September in Lerwick, 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 Lerwick
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Average weather in Lerwick by month
Click on a month below to see detailed weather info for Lerwick. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.