September weather forecast
Medway, MA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Medway, Massachusetts, with an average temperature fluctuating between 55.8°F (13.2°C) and 73°F (22.8°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 81°F (27.2°C) in August to an agreeable 73°F (22.8°C). September in Medway sees the temperature falling to a mean low of 55.8°F (13.2°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.4 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

In Medway, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:28 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What is the average September temperature?

The average high-temperature, in September, in Medway, is 73°F (22.8°C), while the average low-temperature is 55.8°F (13.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 78%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 9.4 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in September?

In Medway, in September, during 9.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow?

In Medway, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 28min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:11 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:28 pm EDT.

How many hours of sunshine does Medway have in September?

The average sunshine duration in September is 8.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Medway, MA

Average temperature in September - Medway, MA
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 55.8°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 (21.6°F).

Average pressure in September
Medway, MA

Average pressure in September - Medway, MA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Medway, MA

Average wind speed in September - Medway, MA
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in September
Medway, MA

Average humidity in September - Medway, MA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
Medway, MA

Average rainfall in September - Medway, MA
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in September
Medway, MA

Average rainfall days in September - Medway, MA
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in September
Medway, MA

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

The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Medway, MA

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

The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Medway, MA

Average sunshine days in September - Medway, MA
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (14.6 days).

Average UV index in September
Medway, MA

Average UV index in September - Medway, 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).

Average cloud cover in September
Medway, MA

Average cloud cover in September - Medway, MA
  • Average cloud cover in September: 39

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Medway, MA

Average visibility in September - Medway, MA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).

Medway, Massachusetts, USA

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