Weathermondo.com
United StatesThe weather in September in Black Rock
It's warm in September in Black Rock with an average temperature of 24°C. Temperatures this month range from a low of 18°C to a high of 30°C. At night, you can expect temperatures between 13°C and 20°C.
Looking for sun? September isn’t a good month to be in Black Rock. The temperature is nice, but there’s too much chance of 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 Black Rock, Massachusetts. 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 36°C in 2018, Black Rock reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 14°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 24°C.
Rainfall amount
In September, there is an average of 166 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Black Rock
Click on any day in September to get detailed info about the usual weather on that day in Black Rock. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Black Rock | New York | |
|---|---|---|
| Average temperature | 24°C | 27°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 166 mm | 57 mm |
| Rainy days | 15 days | 9 days |
Start of September
The month of September starts in Black Rock with warm temps, averaging around 26°C during the day and nights around 18°C.
Mid September
By mid-September, daytime temps drop to around 24°C, with nights around 16°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 Black Rock is around 23°C, while nighttime temps are about 15°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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.
Check out the climate of Black Rock for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Black Rock, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Black Rock
Temperature in September in Black Rock over the years
Precipitation charts
These charts show the average amount of precipitation in September in Black Rock, Massachusetts. 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 Black Rock
Total precipitation in September in Black Rock over the years
Daily UV index in September in Black Rock
This chart shows the average daily UV index in September in Black Rock, 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 Black Rock
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Average weather in Black Rock by month
Click on a month below to see detailed weather info for Black Rock. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.