September weather forecast
Leroy, PA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Leroy, Pennsylvania, with an average temperature varying between 70.3°F (21.3°C) and 50°F (10°C).

Temperature

In Leroy, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 77.2°F (25.1°C) to a pleasant 70.3°F (21.3°C). The average nighttime temperature lowers to a cool 50°F (10°C) throughout September.

Humidity

In Leroy, the average relative humidity in September is 81%.

Rainfall

In September, the rain falls for 13.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Leroy, Pennsylvania, during the entire year, the rain falls for 171.9 days and collects up to 28.54" (725mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Leroy, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:49 pm EDT.

Sunshine

The average sunshine in September in Leroy is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What are September temperatures?

September temperatures vary between a high-temperature of 70.3°F (21.3°C) and a low-temperature of 50°F (10°C).

What is the average humidity in September?

In Leroy, Pennsylvania, the average relative humidity in September is 81%.

How many days does it rain in September in Leroy?

In September, the rain falls for 13.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Leroy?

In Leroy, snow does not fall in June through September.

Does it snow in Leroy in September?

In Leroy, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm EDT.

How many hours of sunshine does Leroy have in September?

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

How high is the UV index in September?

In Leroy, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Leroy, PA

Average temperature in September - Leroy, PA
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in September
Leroy, PA

Average pressure in September - Leroy, PA
  • Average pressure in September: 30.07"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
Leroy, PA

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Leroy, PA

Average humidity in September - Leroy, PA
  • Average humidity in September: 81%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in September
Leroy, PA

Average rainfall in September - Leroy, PA
  • Average rainfall in September: 2.24"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in September
Leroy, PA

Average rainfall days in September - Leroy, PA
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in September
Leroy, PA

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

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Leroy, PA

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

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Leroy, PA
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in September
Leroy, PA

Average sunshine days in September - Leroy, PA
  • Average sunshine days in September: 14 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in September
Leroy, PA

Average UV index in September - Leroy, PA
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Leroy, PA

Average cloud cover in September - Leroy, PA
  • Average cloud cover in September: 44

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in September
Leroy, PA

Average visibility in September - Leroy, PA
  • Average visibility in September: 5mi

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

Leroy, Pennsylvania, USA

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