Weather in Dukes County, United States in September

So you're interested in going to Dukes County, United States in September

September is a warm and slightly rainy time for sunbathing in Dukes County. September is too cold for swimming in Dukes County for any length of time, unless you have a wetsuit. Consider visiting Dukes County in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Dukes County in September

The average maximum temperature in Dukes County in September is 23°. The average maximum temperature is 26° in the previous month and 18° in the next month.

The average temperature in Dukes County in September is 17°. The average temperature ranges is 21° in the previous month and 12° in the next month.

The average minimum temperature in Dukes County in September is 12°. The minimum temperature is 16° in the previous month and in the next month.

Sunshine in Dukes County in September

The average day light hours per day in Dukes County in September are 12.5 and there are 6.1 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.

The ultraviolet index in Dukes County in September is typically 6.4 during September. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Dukes County in September

The average sea water temperature in Dukes County in September is 15.8° which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Rainfall in Dukes County in September

The average total rainfall in Dukes County in September is 9.7cm and on average there are 11.4 rainy days in September making it a slightly wet time to visit the beach.

Humidity in Dukes County in September

The maximum dew point (an indicator of humidity) in Dukes County in September is 17° which is OK for most but slightly uncomfortable for some. The dew point is 19° in the previous month and 12° in the next month.

The average maximum relative humidity in Dukes County in September is typically 94.4%. The maximum relative humidity is 95.3% in the previous month and 91.5% in the next month.

The average relative humidity in Dukes County in September is typically 79.1%. The average relative humidity is 81.2% in the previous month and 76.2% in the next month.

Wind Speed in Dukes County in September

The average maximum wind speed in Dukes County in September is typically 25kmh. The average maximum wind speed is 23kmh in the previous month and 28kmh in the next month.

The average wind speed in Dukes County in September is typically 12kmh. The average wind speed is 11kmh in the previous month and 15kmh in the next month.

The average wind direction in Dukes County in September is from the West.

Monthly Averages

Suggested Beaches in September

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