September weather forecastMontandon, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Montandon, Pennsylvania, with an average temperature fluctuating between 73°F (22.8°C) and 52.7°F (11.5°C).Temperature
With the onset of September, Montandon's climate undergoes a slight change as the average high-temperature moves from a moderately hot 80.1°F (26.7°C) in August to a pleasant 73°F (22.8°C). Montandon, in September, experiences an average temperature of 52.7°F (11.5°C) at night.Humidity
The average relative humidity in September is 79%.Rainfall
In Montandon, in September, it is raining for 12.2 days, with typically 1.89" (48mm) of accumulated precipitation. In Montandon, during the entire year, the rain falls for 153 days and collects up to 27.05" (687mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:50 pm EDT.
Sunshine
In September, the average sunshine in Montandon is 8.7h.UV index
In September, the average daily maximum UV index in Montandon is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montandon, PA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Montandon, 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 (29.94"Hg).
Average wind speed in September
Montandon, PA
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Montandon, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Montandon, PA
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in September
Montandon, PA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Montandon, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Montandon, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Montandon, PA
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Montandon, PA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Montandon, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Montandon, PA
- Average cloud cover in September: 38
The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Montandon, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
