September weather forecast
Agawam, MA

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Weather in September

September, the first month of the autumn in Agawam, is also an agreeable month, with an average temperature ranging between max 73.2°F (22.9°C) and min 54.3°F (12.4°C).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 80.4°F (26.9°C) in August to a pleasant 73.2°F (22.9°C). Agawam witnesses an average low-temperature of 54.3°F (12.4°C) throughout the month of September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 9.6 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 16.06" (408mm) of precipitation is accumulated.

Snowfall

In Agawam, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September in Agawam, sunrise is at 6:16 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm EDT.

Sunshine

In Agawam, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Agawam is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What is the usual temperature for Agawam in September?

The average high-temperature and low-temperature during September are 73.2°F (22.9°C) and 54.3°F (12.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In Agawam, the average relative humidity in September is 77%.

How much does it rain in September?

In September, the rain falls for 9.6 days. Throughout September, 1.06" (27mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Agawam have in September?

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

When is the sunrise / sunset in September in Agawam?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity 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 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
Agawam, MA

Average temperature in September - Agawam, MA
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 54.3°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in September
Agawam, MA

Average pressure in September - Agawam, 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
Agawam, MA

Average wind speed in September - Agawam, MA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Agawam, MA

Average humidity in September - Agawam, MA
  • Average humidity in September: 77%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
Agawam, MA

Average rainfall in September - Agawam, MA
  • Average rainfall in September: 1.06"

The wettest months (with the highest rainfall) are July and October (1.69").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in September
Agawam, MA

Average rainfall days in September - Agawam, MA
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Agawam, MA

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

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Agawam, MA

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

The month with the highest number of snowfall days is February (7.3 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
Agawam, MA

Average daylight in September / Average sunshine in September - Agawam, 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 August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Agawam, MA

Average sunshine days in September - Agawam, MA
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is June (15.1 days).

Average UV index in September
Agawam, MA

Average UV index in September - Agawam, 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
Agawam, MA

Average cloud cover in September - Agawam, MA
  • Average cloud cover in September: 38

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 34).

Average visibility in September
Agawam, MA

Average visibility in September - Agawam, 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).

Agawam, Massachusetts, USA

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