September weather forecast
Bolivar, PA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Bolivar, Pennsylvania, with an average temperature fluctuating between 73.6°F (23.1°C) and 53.2°F (11.8°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's warm 79.9°F (26.6°C) to a still moderately hot 73.6°F (23.1°C). The low-temperature average for Bolivar during September stands at a fresh 53.2°F (11.8°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Bolivar, Pennsylvania, in September, during 14.1 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 183.4 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Bolivar, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:44 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. 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 is the usual temperature for Bolivar in September?

In Bolivar, 73.6°F (23.1°C) is the average high-temperature and 53.2°F (11.8°C) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in July is evaluated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How many days does it rain in September?

In September, in Bolivar, Pennsylvania, the rain falls for 14.1 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Bolivar?

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

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 27min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:44 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

How many hours of sunshine does Bolivar have in September?

In September, the average sunshine duration is 8.5h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Bolivar, PA

Average temperature in September - Bolivar, PA
  • Average high temperature in September: 73.6°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 (32.4°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in September
Bolivar, PA

Average pressure in September - Bolivar, PA
  • Average pressure in September: 30.06"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).

Average wind speed in September
Bolivar, PA

Average wind speed in September - Bolivar, PA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in September
Bolivar, PA

Average humidity in September - Bolivar, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in September
Bolivar, PA

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

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in September
Bolivar, PA

Average rainfall days in September - Bolivar, PA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (10.3 days).

Average snowfall in September
Bolivar, PA

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

The month with the highest snowfall is January (7.48").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Bolivar, PA

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

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Bolivar, 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 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in September
Bolivar, PA

Average sunshine days in September - Bolivar, PA
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is January (6.1 days).

Average UV index in September
Bolivar, PA

Average UV index in September - Bolivar, PA
  • Average UV index in September: 4

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

Average cloud cover in September
Bolivar, PA

Average cloud cover in September - Bolivar, PA
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Bolivar, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Bolivar, Pennsylvania, USA

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