ScotlandAverage weather for Shetland Islands in September
It's cool in September in Shetland Islands 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.
Start of September
The month of September starts in Shetland Islands with cool temps, averaging around 15°C during the day and nights around 11°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
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 Shetland Islands 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. Go for a warm jacket, sweater or hoodie, and long pants.
In September, there is an average of 88 mm of precipitation, spread over 13 days. The wind speed is around 6 Bft, mostly coming from the Southwest.
Shetland Islands in September |
New York | ||
|---|---|---|---|
 Average temperature |
14°C | 27°C | |
 Max. temperature |
15°C | 31°C | |
| Min. temperature |
12°C | -5°C | |
 Total precipitation |
88 mm | 57 mm | |
| Rainy days |
13 days | 9 days | |
August
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.
Temperature records
With 21°C in 2023, Shetland Islands 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.
Check out the climate of Shetland Islands for all months and discover the best travel time
Daily Temperature in September in Shetland Islands
This chart shows the average daily high and low temperatures in September for Shetland Islands, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Shetland Islands
The chart below shows the average daily precipitation in September for Shetland Islands, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 13 days of precipitation in Shetland Islands.
Daily UV index in September in Shetland Islands
This chart shows the average daily UV index in September in Shetland Islands, 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.
Temperature in September in Shetland Islands over the years
This chart shows the average temperature in September in Shetland Islands, measured in degrees Celsius, over the past few years.
Total precipitation in September in Shetland Islands over the years
This chart shows the average precipitation in September in Shetland Islands, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Shetland Islands
Click on any day in September to get detailed info about the usual weather on that day in Shetland Islands. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Shetland Islands
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Average weather in Shetland Islands by month
Click on a month below to see detailed weather info for Shetland Islands. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Shetland Islands for all months at once
