The weather in September in Dover

It's pleasantly warm in September in Dover 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.

Looking for great weather? September is a good time to be in Dover. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Dover, England. 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 29°C in 2023, Dover reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 20°C.

Water temperature

The water temperature at Dover is 18°C this month. You can swim, but it's a bit chilly.

Rainfall amount

In September, there is an average of 45 mm of precipitation, spread over 9 days. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in September for Dover

Click on any day in September to get detailed info about the usual weather on that day in Dover. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Dover New York
Average temperature 19°C 27°C
Max. temperature 21°C 31°C
Min. temperature 11°C -5°C
Total precipitation 45 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Dover with mild temps, averaging around 21°C during the day and nights around 15°C.

Mid September

By mid-September, daytime temps drop to around 20°C, with nights around 14°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 Dover is around 18°C, while nighttime temps are about 13°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Dover

UV index

The UV index is a maximum of 7 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.

Check out the climate of Dover for all months and discover the best travel time

Curious about the weather in other parts of England? Check out the climate and weather for spots like London, Edinburgh, Cornwall, or explore other destinations in England.

Temperature charts

These charts show the average temperatures in September in Dover, England. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Dover

Temperature in September in Dover over the years

Precipitation charts

These charts show the average amount of precipitation in September in Dover, England. 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 Dover

Total precipitation in September in Dover over the years

Daily UV index in September in Dover

This chart shows the average daily UV index in September in Dover, 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 Dover

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Average weather in Dover by month

Click on a month below to see detailed weather info for Dover. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.