September weather forecast
Springfield, MA

The tall buildings of Springfield, Massachusetts, with a clear mirrored reflection in the water
The tall buildings of Springfield, Massachusetts, with a clear mirrored reflection in the water

Weather in September

The first month of the autumn, September, is also an agreeable month in Springfield, Massachusetts, with average temperature fluctuating between 72.9°F (22.7°C) and 53.8°F (12.1°C).

Temperature

In Springfield, the average high-temperature in September marginally drops, from a warm 80.2°F (26.8°C) in August, to a pleasant 72.9°F (22.7°C). In Springfield, Massachusetts,, the average low-temperature is 53.8°F (12.1°C).

Humidity

The average relative humidity is 78%.

Rainfall

The month with the least rainfall is September when the rain falls for 3.8 days and typically collects 0.08" (2mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day in Springfield is 12.5h.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Springfield?

In September, the average relative humidity is 78%.

What is the driest month in Springfield?

September is the month with the least rainfall in Springfield, Massachusetts. Rain falls for 3.8 days and accumulates 0.08" (2mm) of precipitation.

How much does it rain in Springfield in September?

In September, in Springfield, Massachusetts, the rain falls for 3.8 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

When it does not snow in Springfield?

In Springfield, Massachusetts, snow does not fall in May through October.

How many hours of daylight does Springfield have in September?

In September, the average length of the day is 12.5h.

How many hours of sunshine does Springfield have in September?

The average sunshine in September in Springfield is 8.7h.

How high is the UV index in September in Springfield?

In September, the average daily maximum UV index in Springfield, Massachusetts, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Springfield, MA

Average temperature in September - Springfield, MA
  • Average high temperature in September: 22.7°C

The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (-0.4°C).

  • Average low temperature in September: 12.1°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).

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Average pressure in September
Springfield, MA

Average pressure in September - Springfield, MA
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).

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Average wind speed in September
Springfield, MA

Average wind speed in September - Springfield, MA
  • Average wind speed in September: 8.9km/h

The windiest months (with the highest average wind speed) are January and March (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

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Average humidity in September
Springfield, MA

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in September
Springfield, MA

Average rainfall in September - Springfield, MA
  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is November (15mm).
The driest month (with the least rainfall) is September (2mm).

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Average rainfall days in September
Springfield, MA

Average rainfall days in September - Springfield, MA
  • Average rainfall days in September: 3.8 days

The month with the highest number of rainy days is April (6.6 days).
The month with the least rainy days is January (2.2 days).

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Average snowfall in September
Springfield, MA

Average snowfall in September - Springfield, MA
  • Average snowfall in September: 0mm

Months with the highest snowfall are March and December (11mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Springfield, MA

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

The month with the highest number of snowfall days is January (4.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Springfield, MA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.7h

Months with the most sunshine are July and August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in September
Springfield, MA

Average sunshine days in September - Springfield, MA
  • Average sunshine days in September: 24.9 days

The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is July (22.4 days).

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Average UV index in September
Springfield, MA

Average UV index in September - Springfield, MA
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Springfield, MA

Average cloud cover in September - Springfield, MA
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Springfield, MA

Average visibility in September - Springfield, MA
  • Average visibility in September: 8km

Months with the highest visibility are January, March, April, October, November and December (9km).
Months with the lowest visibility are February, May, June, July, August and September (8km).

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