September weather forecast
Steep Brook, MA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Steep Brook, Massachusetts, with an average temperature ranging between max 72.1°F (22.3°C) and min 58.8°F (14.9°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 78.6°F (25.9°C) in August to a pleasant 72.1°F (22.3°C). Nightly temperatures drop to an average low of 58.8°F (14.9°C) in September.

Humidity

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

Rainfall

September is the month with the least rainfall in Steep Brook, Massachusetts. Rain falls for 11.2 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

In Steep Brook, snow does not fall in June through October.

Daylight

In Steep Brook, the average length of the day in September is 12h and 28min.
On the first day of September in Steep Brook, sunrise is at 6:11 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:27 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What are September temperatures in Steep Brook?

The high-temperature, in September, in Steep Brook, is 72.1°F (22.3°C), while the low-temperature averages to 58.8°F (14.9°C).

What is the average humidity in September in Steep Brook?

In September, the average relative humidity in Steep Brook, Massachusetts, is 78%.

What is the driest month in Steep Brook?

The month with the least rainfall in Steep Brook, Massachusetts, is September, when the rain falls for 11.2 days and typically collects 1.06" (27mm) of precipitation.

How many days does it rain in September in Steep Brook?

In Steep Brook, Massachusetts, in September, it is raining for 11.2 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Steep Brook?

In Steep Brook, snow does not fall in June through October.

What is the average length of the day in September in Steep Brook?

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

When is the sunrise / sunset in September in Steep Brook?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:17 pm. On the last day of the month, in Steep Brook, sunrise is at 6:41 am and sunset at 6:27 pm EDT.

How many hours of sunshine does Steep Brook have in September?

In Steep Brook, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in Steep Brook?

The average daily maximum UV index in September in Steep Brook is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Steep Brook, MA

Average temperature in September - Steep Brook, MA
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 58.8°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in September
Steep Brook, MA

Average pressure in September - Steep Brook, MA
  • Average pressure in September: 30.05"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).

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Average wind speed in September
Steep Brook, MA

Average wind speed in September - Steep Brook, MA
  • Average wind speed in September: 8.2mph

The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in September
Steep Brook, MA

Average humidity in September - Steep Brook, MA
  • Average humidity in September: 78%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Steep Brook, MA

Average rainfall in September - Steep Brook, MA
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in September
Steep Brook, MA

Average rainfall days in September - Steep Brook, MA
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in September
Steep Brook, MA

Average snowfall in September - Steep Brook, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Steep Brook, MA

Average snowfall days in September - Steep Brook, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Steep Brook, MA

Average daylight in September / Average sunshine in September - Steep Brook, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Steep Brook, MA

Average sunshine days in September - Steep Brook, MA
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in September
Steep Brook, MA

Average UV index in September - Steep Brook, 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 and December (UV index 2).

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Average cloud cover in September
Steep Brook, MA

Average cloud cover in September - Steep Brook, MA
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Steep Brook, MA

Average visibility in September - Steep Brook, 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).

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Steep Brook, Massachusetts, USA

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