September weather forecast
Springfield, PA

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Weather in September

September, the first month of the autumn in Springfield, is still a warm month, with an average temperature varying between 60.8°F (16°C) and 76.6°F (24.8°C).

Temperature

Springfield's September weather shows a modest shift in high-temperatures, falling from August's warm 83.7°F (28.7°C) to a still moderately hot 76.6°F (24.8°C). Throughout September, Springfield witnesses a consistent average low-temperature of 60.8°F (16°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Springfield, during September, the rain falls for 12.3 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 142 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

Sunshine

In Springfield, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Springfield?

In Springfield, in September, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 60.8°F (16°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How much does it rain in September?

In September, the rain falls for 12.3 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index estimate 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
Springfield, PA

Average temperature in September - Springfield, PA
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in September
Springfield, PA

Average pressure in September - Springfield, PA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Springfield, PA

Average wind speed in September - Springfield, PA
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Springfield, PA

Average humidity in September - Springfield, PA
  • Average humidity in September: 76%

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
Springfield, PA

Average rainfall in September - Springfield, PA
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in September
Springfield, PA

Average rainfall days in September - Springfield, PA
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in September
Springfield, PA

Average snowfall in September - Springfield, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Springfield, PA

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Springfield, PA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Springfield, PA

Average sunshine days in September - Springfield, PA
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in September
Springfield, PA

Average UV index in September - Springfield, PA
  • Average UV index in September: 5

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

Average cloud cover in September
Springfield, PA

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

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in September
Springfield, PA

Average visibility in September - Springfield, PA
  • 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).

Springfield, Pennsylvania, USA

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