September weather forecast
Linwood, MA

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Weather in September

September, the first month of the autumn in Linwood, is still a pleasant month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 72.7°F (22.6°C).

Temperature

A subtle shift in Linwood's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 80.1°F (26.7°C) to a pleasant 72.7°F (22.6°C). Linwood experiences an average low-temperature of 54.5°F (12.5°C) in the month of September.

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

In Linwood, snow does not fall in June through October.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:29 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In September, the average daily maximum UV index in Linwood is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In Linwood, in September, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 54.5°F (12.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in September?

In Linwood, the average relative humidity in September is 78%.

What is the driest month?

The month with the least rainfall in Linwood is September, when the rain falls for 12.2 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 12.2 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 28min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:12 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:29 pm EDT.

How long on average sun shines in September?

In Linwood, the average sunshine duration in September is 8.2h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Linwood, MA

Average temperature in September - Linwood, MA
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in September
Linwood, MA

Average pressure in September - Linwood, 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
Linwood, MA

Average wind speed in September - Linwood, MA
  • Average wind speed in September: 6.2mph

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 (5.7mph).

Average humidity in September
Linwood, MA

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

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
Linwood, MA

Average rainfall in September - Linwood, MA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Linwood, MA

Average rainfall days in September - Linwood, MA
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in September
Linwood, MA

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

The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Linwood, MA

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

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Linwood, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Linwood, MA

Average sunshine days in September - Linwood, MA
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Linwood, MA

Average UV index in September - Linwood, 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
Linwood, MA

Average cloud cover in September - Linwood, MA
  • Average cloud cover in September: 40

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Linwood, MA

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

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

Linwood, Massachusetts, USA

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