September weather forecast and climate
Montoursville, PA

Weather in September

September, the first month of the autumn, in Montoursville, is still a pleasant month, with average temperature varying between 72.1°F (22.3°C) and 51.6°F (10.9°C).

Temperature

In Montoursville, Pennsylvania, the average high-temperature in September slightly decreases, from a warm 79.2°F (26.2°C) in August, to a pleasant 72.1°F (22.3°C). The average low-temperature, in September, is 51.6°F (10.9°C).

Humidity

The average relative humidity in Montoursville is 80%.

Rainfall

In Montoursville, during September, the rain falls for 13.9 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Montoursville, during the entire year, the rain falls for 170.2 days and collects up to 32.2" (818mm) of precipitation.

Snowfall

In Montoursville snow does not fall in June through September.

Daylight

The average length of the day in Montoursville is 12.5h.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 Montoursville?

In Montoursville, the average relative humidity in September is 80%.

How much does it rain in Montoursville in September?

In September, in Montoursville, Pennsylvania, the rain falls for 13.9 days. Throughout September, 2.56" (65mm) of precipitation is accumulated.

When it does not snow in Montoursville?

June through September are months without snowfall.

Does it snow in Montoursville in September?

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

How many hours of daylight does Montoursville have in September?

The average length of the day in September in Montoursville, Pennsylvania, is 12.5h.

How long on average sun shines in September in Montoursville?

The average sunshine in September in Montoursville, Pennsylvania, is 8.6h.

What is the UV index intensity in September in Montoursville?

In Montoursville, Pennsylvania, 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 the exposure to the Sun's UV radiation.

Average temperature in September
Montoursville, PA

Average temperature in September - Montoursville, PA
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in September: 51.6°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 (19°F).

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Average pressure in September
Montoursville, PA

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

The month with the highest atmospheric pressure is November (30.13").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Montoursville, PA

Average wind speed in September - Montoursville, PA
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are January, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Montoursville, PA

Average humidity in September - Montoursville, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
Montoursville, PA

Average rainfall in September - Montoursville, PA
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in September
Montoursville, PA

Average rainfall days in September - Montoursville, PA
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in September
Montoursville, PA

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

The month with the highest snowfall is February (6.18").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Montoursville, PA

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

The month with the highest number of snowfall days is January (11.8 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
Montoursville, PA

Average daylight in September / Average sunshine in September - Montoursville, PA
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.7h).

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Average sunshine days in September
Montoursville, PA

Average sunshine days in September - Montoursville, PA
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in September
Montoursville, PA

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

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

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Average cloud cover in September
Montoursville, PA

Average cloud cover in September - Montoursville, PA
  • Average cloud cover in September: 41

Months with the most cloud cover are January, February and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in September
Montoursville, PA

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

The month with the highest visibility is April (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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