New Shoreham
Rhode Island, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
New Shoreham, RI

September, the first month of the autumn, in New Shoreham, is still a pleasant month, with average temperature fluctuating between 72.7°F (22.6°C) and 56.8°F (13.8°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a pleasant 72.7°F (22.6°C). The average low-temperature, in September, is 56.8°F (13.8°C).

Rainfall

In New Shoreham, Rhode Island, in September, it is raining for 6.5 days, with typically 3.4" (86.1mm) of accumulated precipitation. In New Shoreham, during the entire year, the rain falls for 97.1 days and collects up to 42.6" (1082mm) of precipitation.

Snowfall

Throughout the year, in New Shoreham, Rhode Island, 21.2" (538.5mm) of snow is accumulated.

Ocean temperature

In New Shoreham, the average seawater temperature is 66.2°F (19°C). For swimming, a surface water temperature of 66.2°F (19°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In September, the average length of the day is 12.5h.

Sunshine

The average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in New Shoreham?

In New Shoreham, Rhode Island, in September, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 56.8°F (13.8°C).

How many days does it rain in September in New Shoreham?

In September, in New Shoreham, Rhode Island, the rain falls for 6.5 days. Throughout September, 3.4" (86.1mm) of precipitation is accumulated.

What is the ocean temperature in September in New Shoreham?

In New Shoreham, in September, the average water temperature is 66.2°F (19°C). For swimming, a surface water temperature of 66.2°F (19°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does New Shoreham have in September?

In New Shoreham, the average length of the day in September is 12.5h.

How long on average sun shines in September in New Shoreham?

In New Shoreham, the average sunshine in September is 8h.

How high is the UV index in September in New Shoreham?

The average daily maximum UV index in September in New Shoreham is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - New Shoreham, RI
  • Average high temperature in September: 22.6°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in September: 13.8°C

Months with the highest average low temperature are July and August (16.9°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).

Average rainfall in September - New Shoreham, RI
  • Average rainfall in September: 86.1mm

The wettest month (with the highest rainfall) is March (103.4mm).
The driest month (with the lowest rainfall) is July (72.6mm).

Average rainfall days in September - New Shoreham, RI
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is April (9.9 days).
Months with the lowest number of rainy days are July and August (6.2 days).

Average snowfall in September - New Shoreham, RI
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (160mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average sea temperature in September - New Shoreham, RI
  • Average sea temperature in September: 19°C

The best month for swimming (with the highest average sea temperature) is August (21°C).
Coldest months (with the lowest average sea temperature) are February and March (4°C).

Average daylight in September / Average sunshine in September - New Shoreham, RI
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8h

Months with most sunshine are May, June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in September - New Shoreham, RI
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).