September weather forecast
Spring Mills, PA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Spring Mills, Pennsylvania, with an average temperature ranging between min 52°F (11.1°C) and max 72.5°F (22.5°C).

Temperature

Spring Mills, Pennsylvania, records a mild change in average high-temperature during September, easing from a moderately hot 79.7°F (26.5°C) in August to an agreeable 72.5°F (22.5°C). In Spring Mills, the nighttime temperature averages to a cool 52°F (11.1°C) during September.

Humidity

The average relative humidity in September in Spring Mills is 80%.

Rainfall

In Spring Mills, in September, during 13.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Spring Mills, Pennsylvania.

Daylight

In September, the average length of the day in Spring Mills is 12h and 27min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:53 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What are September temperatures in Spring Mills?

The high-temperature, in September, in Spring Mills, records 72.5°F (22.5°C), while the low-temperature is 52°F (11.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in September in Spring Mills?

In Spring Mills, Pennsylvania, the average relative humidity in September is 80%.

How many days does it rain in September in Spring Mills?

In Spring Mills, during September, the rain falls for 13.3 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Spring Mills?

In Spring Mills, Pennsylvania, snow does not fall in June through September.

Does it snow in Spring Mills in September?

In Spring Mills, Pennsylvania, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Spring Mills have in September?

In Spring Mills, Pennsylvania, the average day length in September is 12h and 27min.

When is the sunrise / sunset in September in Spring Mills?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:42 pm. On the last day of the month, in Spring Mills, Pennsylvania, sunrise is at 7:06 am and sunset at 6:53 pm EDT.

How long on average sun shines in September in Spring Mills?

In Spring Mills, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in Spring Mills?

In September, the average daily maximum UV index in Spring Mills is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Spring Mills, PA

Average temperature in September - Spring Mills, PA
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in September
Spring Mills, PA

Average pressure in September - Spring Mills, PA
  • Average pressure in September: 30.07"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Spring Mills, PA

Average wind speed in September - Spring Mills, PA
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Spring Mills, PA

Average humidity in September - Spring Mills, PA
  • Average humidity in September: 80%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).

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Average rainfall in September
Spring Mills, PA

Average rainfall in September - Spring Mills, PA
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in September
Spring Mills, PA

Average rainfall days in September - Spring Mills, PA
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.4 days).

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Average snowfall in September
Spring Mills, PA

Average snowfall in September - Spring Mills, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Spring Mills, PA

Average snowfall days in September - Spring Mills, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.2 days).
The 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
Spring Mills, PA

Average daylight in September / Average sunshine in September - Spring Mills, PA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in September
Spring Mills, PA

Average sunshine days in September - Spring Mills, PA
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in September
Spring Mills, PA

Average UV index in September - Spring Mills, PA
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Spring Mills, PA

Average cloud cover in September - Spring Mills, PA
  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in September
Spring Mills, PA

Average visibility in September - Spring Mills, PA
  • Average visibility in September: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

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Spring Mills, Pennsylvania, USA

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