September weather forecast
Rowley, MA

Share

Weather in September

September, the first month of the autumn in Rowley, is still a pleasant month, with an average temperature fluctuating between 56.8°F (13.8°C) and 70°F (21.1°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's moderately hot 77°F (25°C) to an agreeable 70°F (21.1°C). In the month of September, the average temperature in Rowley dips to a refreshing 56.8°F (13.8°C) during the night.

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall in Rowley is September, when the rain falls for 10.6 days and typically collects 1.34" (34mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Rowley, the average length of the day in September 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, in Rowley, sunrise is at 6:40 am and sunset at 6:26 pm EDT.

Sunshine

In Rowley, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Rowley is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
[Resources]

Frequently asked questions

What is the usual temperature for Rowley in September?

In Rowley, in September, the average high-temperature is 70°F (21.1°C), and the average low-temperature is 56.8°F (13.8°C).

What is the average humidity in September in Rowley?

In September, the average relative humidity in Rowley is 77%.

What is the driest month in Rowley?

September is the month with the least rainfall in Rowley. Rain falls for 10.6 days and accumulates 1.34" (34mm) of precipitation.

How many days does it rain in September in Rowley?

In Rowley, during September, the rain falls for 10.6 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When it does not snow in Rowley?

May through September are months without snowfall in Rowley, Massachusetts.

Does it snow in Rowley in September?

In Rowley, Massachusetts, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Rowley?

The average day length in September in Rowley is 12h and 29min.

When is the sunrise / sunset in September in Rowley?

In September, on the first day of the month, sunrise is at 6:09 am and sunset at 7:17 pm. On the last day of the month, in Rowley, Massachusetts, sunrise is at 6:40 am and sunset at 6:26 pm EDT.

How long on average sun shines in September in Rowley?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September in Rowley?

In Rowley, Massachusetts, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rowley, MA

Average temperature in September - Rowley, MA
  • Average high temperature in September: 70°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

[Resources]

Average pressure in September
Rowley, MA

Average pressure in September - Rowley, MA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed in September
Rowley, MA

Average wind speed in September - Rowley, MA
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

[Resources]

Average humidity in September
Rowley, MA

Average humidity in September - Rowley, MA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and June (78%).
The month with the lowest relative humidity is April (73%).

[Resources]

Average rainfall in September
Rowley, MA

Average rainfall in September - Rowley, MA
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.34").

[Resources]

Average rainfall days in September
Rowley, MA

Average rainfall days in September - Rowley, MA
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and February (8.6 days).

[Resources]

Average snowfall in September
Rowley, MA

Average snowfall in September - Rowley, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Rowley, MA

Average snowfall days in September - Rowley, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Rowley, MA

Average daylight in September / Average sunshine in September - Rowley, MA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in September
Rowley, MA

Average sunshine days in September - Rowley, MA
  • Average sunshine days in September: 18 days

The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is March (12.8 days).

[Resources]

Average UV index in September
Rowley, MA

Average UV index in September - Rowley, MA
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in September
Rowley, MA

Average cloud cover in September - Rowley, MA
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in September
Rowley, MA

Average visibility in September - Rowley, MA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Rowley, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location