September weather forecast
Steep Brook, MA

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Weather in September

September, the first month of the autumn in Steep Brook, is still a pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 58.8°F (14.9°C).

Temperature

A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 78.6°F (25.9°C) to a pleasant 72.1°F (22.3°C). Steep Brook experiences a consistent average temperature of 58.8°F (14.9°C) throughout the nights in September.

Humidity

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

Rainfall

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

Snowfall

June through October are months without snowfall.

Daylight

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

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What are the temperatures in September?

Steep Brook in September has an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 58.8°F (14.9°C).

What is the average humidity in September in Steep Brook?

In September, the average relative humidity is 78%.

What is the driest month?

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

How much does it rain in September?

In Steep Brook, in September, during 11.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow?

June through October are months without snowfall.

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

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

When are sunrise and sunset in September?

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 long on average sun shines in September?

In September, the average sunshine duration is 8.8h.

How high is the UV index in September?

In September, the average daily maximum UV index in Steep Brook, Massachusetts, is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Steep Brook, Massachusetts, USA

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