ScotlandAverage weather for Ullapool in September
It's cool to moderate in September in Ullapool 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 7°C and 11°C.
Start of September
The month of September starts in Ullapool with cool temps, averaging around 17°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 16°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 Ullapool is around 15°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
Water temperature
The water temperature at Ullapool is 15°C this month. This is probably too cold to swim without protective gear.
In September, there is an average of 98 mm of precipitation, spread over 16 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Ullapool in September |
New York | ||
|---|---|---|---|
 Average temperature |
15°C | 27°C | |
 Max. temperature |
17°C | 31°C | |
| Min. temperature |
14°C | -5°C | |
 Total precipitation |
98 mm | 57 mm | |
| Rainy days |
16 days | 9 days | |
August
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is September a good time to visit Ullapool?
Looking for sun and warm weather? September isn’t a good month to be in Ullapool. The temperatures are too low for a warm stay this month.
Temperature records
With 26°C in 2023, Ullapool 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 -1°C to a highest value of 16°C.
Check out the climate of Ullapool for all months and discover the best travel time
Daily Temperature in September in Ullapool
This chart shows the average daily high and low temperatures in September for Ullapool, 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 Ullapool
The chart below shows the average daily precipitation in September for Ullapool, 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 16 days of precipitation in Ullapool.
Daily UV index in September in Ullapool
This chart shows the average daily UV index in September in Ullapool, 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 Ullapool over the years
This chart shows the average temperature in September in Ullapool, measured in degrees Celsius, over the past few years.
Total precipitation in September in Ullapool over the years
This chart shows the average precipitation in September in Ullapool, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Ullapool
Click on any day in September to get detailed info about the usual weather on that day in Ullapool. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Ullapool
Have you been to Ullapool in September?
Share your weather experience in September in Ullapool.
Average weather in Ullapool by month
Click on a month below to see detailed weather info for Ullapool. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
