WalesAverage weather for Barry Island in September
It's pleasantly warm in September in Barry Island with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 21°C. At night, you can expect temperatures between 11°C and 15°C.
Start of September
The month of September starts in Barry Island with mild temps, averaging around 21°C during the day and nights around 14°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 20°C, with nights around 13°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 Barry Island is around 18°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In September, there is an average of 73 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Barry Island in September |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 27°C | |
 Max. temperature |
21°C | 31°C | |
| Min. temperature |
17°C | -5°C | |
 Total precipitation |
73 mm | 57 mm | |
| Rainy days |
12 days | 9 days | |
August
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Barry Island?
Looking for great weather? September is a good time to be in Barry Island. The temperatures are nice, and there’s not too much rain.
Temperature records
With 28°C in 2021, Barry Island reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 21°C.
Check out the climate of Barry Island for all months and discover the best travel time
Daily Temperature in September in Barry Island
This chart shows the average daily high and low temperatures in September for Barry Island, 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 Barry Island
The chart below shows the average daily precipitation in September for Barry Island, 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 12 days of precipitation in Barry Island.
Daily UV index in September in Barry Island
This chart shows the average daily UV index in September in Barry Island, 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 Barry Island over the years
This chart shows the average temperature in September in Barry Island, measured in degrees Celsius, over the past few years.
Total precipitation in September in Barry Island over the years
This chart shows the average precipitation in September in Barry Island, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Barry Island
Click on any day in September to get detailed info about the usual weather on that day in Barry Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Barry Island
Have you been to Barry Island in September?
Share your weather experience in September in Barry Island.
Average weather in Barry Island by month
Click on a month below to see detailed weather info for Barry Island. 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 Barry Island for all months at once
