Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from 81.7°F (27.6°C) in August to a still warm 75.4°F (24.1°C). In the month of September, the average low-temperature in Pitcairn usually rests at a fresh 55°F (12.8°C).Humidity
In Pitcairn, the average relative humidity in September is 77%.Rainfall
In Pitcairn, Pennsylvania, in September, during 12.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 151 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
In Pitcairn, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
In September, the average sunshine in Pitcairn is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the usual temperature for Pitcairn in September?
What is the average humidity in September in Pitcairn?
How many days does it rain in September in Pitcairn?
When it does not snow in Pitcairn?
Does it snow in Pitcairn in September?
How many hours of daylight does Pitcairn have in September?
When is the sunrise / sunset in September in Pitcairn?
How many hours of sunshine does Pitcairn have in September?
How high is the UV index in September in Pitcairn?
Average temperature in September
Pitcairn, PA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Pitcairn, PA
- Average pressure in September: 30.05"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
Pitcairn, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Pitcairn, PA
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Pitcairn, PA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Pitcairn, PA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Pitcairn, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pitcairn, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pitcairn, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Pitcairn, PA
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Pitcairn, PA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Pitcairn, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Pitcairn, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Pitcairn, Pennsylvania, USA
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