September weather forecast
Salem, MA

Salem's summer transitions into fall during September, with temperatures falling between 54°F (12.2°C) and 73°F (22.8°C). With the departure of the summer crowds, the city maintains its beauty with the leaves beginning to change colors. The sea temperature remains comfortable at 61°F (16.1°C) inviting people for a last dip before the cold sets in. Despite eight rainfall days, September allows the enjoyment of outdoor activities amidst the changing foliage.

Temperature

The commencement of September in Salem includes a gentle temperature shift, with the average high-temperature dropping a bit from 80.6°F (27°C) in August to a still warm 73.4°F (23°C). An average low-temperature of 53.6°F (12°C) is expected in Salem during September.

Rainfall

In Salem, Massachusetts, during September, the rain falls for 8 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, in Salem, Massachusetts, there are 124 rainfall days, and 43.03" (1093mm) of precipitation is accumulated.

Ocean temperature

In September, the average ocean temperature is 60.8°F (16°C).
Note: Most people do not find swimming enjoyable in water of 60.8°F (16°C). The task of controlling breathing becomes tougher as the temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 6:09 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:26 pm EDT.

Sunshine

In Salem, the average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.