Temperatures in September
It's pleasantly warm in September in Islay with an average temperature of 19°C. Temperatures this month range from a low of 19°C to a high of 21°C. At night, you can expect temperatures between 13°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Islay in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Islay with mild temperatures, averaging around 20°C during the day and nights close to 13°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature stays the same at 20°C, with nights close to 14°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of September
By the end of September, the average daytime temperature in Islay will be around 20°C, with nights close to 14°C. No precipitation expected, with plenty of sunshine on the horizon.
Precipitation in September
According to weather history, there is only 5,6 mm of precipitation in September. The wind speed is around 3 Bft, mostly coming from the South.
The precipitation chance averages 10% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Islay. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Islay in September |
London | ||
|---|---|---|---|
 Average Temperature |
19°C | 20°C | |
 High Temp |
21°C | 22°C | |
| Low Temp |
19°C | 17°C | |
 Total Precipitation |
5,6 mm | 44 mm | |
| Rainy Days |
3 days | 8 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Islay?
Want nice weather? Then September is a great time to be in Islay. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Islay in September
With 25°C, Islay hit the highest temperature in the last 10 years in September 2015. The lowest daytime temperature in this month was 13°C in 2017. The extreme night temperatures ranged from a low of 6°C to a high of 17°C.
Check out the climate of Islay for all months and discover the best travel time
Curious about the climate in other parts of Peru? Check out the weather and climate in places like Lima, Cusco, Machu Picchu, or have a look at other destinations in Peru.
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Daily Temperature in September in Islay
This chart shows the average daily temperatures, both day and night, for each day in September in Islay, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Islay
The chart below shows the average daily precipitation in September for Islay, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 3 days of rain in Islay.
Daily UV Index in September in Islay
This chart shows the average daily UV index in September in Islay, 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 Islay Over the Years
This chart shows the average temperature in September in Islay, measured in degrees Celsius, over the past years.
Total Precipitation in September in Islay Over the Years
This chart shows the average precipitation in September in Islay, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Islay
Click on a specific day in September for detailed info on the typical weather on that day in Islay. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Islay
Have you been to Islay in September?
Share your weather experience in September in Islay.
Average Weather in Islay by Month
Click on a month below to see detailed weather info for Islay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
