September weather forecast
West Warren, MA

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Weather in September

The first month of the autumn, September, is also an agreeable month in West Warren, Massachusetts, with an average temperature fluctuating between 72.3°F (22.4°C) and 53.4°F (11.9°C).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 79.5°F (26.4°C) in August to an agreeable 72.3°F (22.4°C). During September, West Warren experiences a consistent low-temperature average of 53.4°F (11.9°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:31 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In West Warren, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What is the usual temperature for West Warren in September?

September temperatures vary between a high-temperature of 72.3°F (22.4°C) and a low-temperature of 53.4°F (11.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

The month with the least rainfall in West Warren is September, when the rain falls for 12 days and typically collects 1.73" (44mm) of precipitation.

How much does it rain in September?

In September, in West Warren, the rain falls for 12 days. Throughout September, 1.73" (44mm) of precipitation is accumulated.

When it does not snow?

In West Warren, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does West Warren have in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:15 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:31 pm EDT.

How many hours of sunshine does West Warren have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September?

In West Warren, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents 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
West Warren, MA

Average temperature in September - West Warren, MA
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
West Warren, MA

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
West Warren, MA

Average wind speed in September - West Warren, MA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in September
West Warren, MA

Average humidity in September - West Warren, MA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September
West Warren, MA

Average rainfall in September - West Warren, MA
  • Average rainfall in September: 1.73"

The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
West Warren, MA

Average rainfall days in September - West Warren, MA
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in September
West Warren, MA

Average snowfall in September - West Warren, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
West Warren, MA

Average snowfall days in September - West Warren, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
West Warren, MA

Average daylight in September / Average sunshine in September - West Warren, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
West Warren, MA

Average sunshine days in September - West Warren, MA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are March and June (12.9 days).

Average UV index in September
West Warren, MA

Average UV index in September - West Warren, 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
West Warren, MA

Average cloud cover in September - West Warren, MA
  • Average cloud cover in September: 39

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
West Warren, MA

Average visibility in September - West Warren, MA
  • Average visibility in September: 5mi

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

West Warren, Massachusetts, USA

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