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
September brings a minor shift in the average high-temperature, adjusting from a warm 83.1°F (28.4°C) in August to a still moderately hot 76.5°F (24.7°C). In Crabtree Hollow, an average low-temperature of 59.9°F (15.5°C) is recorded during September nights.Humidity
In Crabtree Hollow, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Crabtree Hollow, during the entire year, the rain falls for 154.4 days and collects up to 31.38" (797mm) of precipitation.Snowfall
In Crabtree Hollow, snow does not fall in June through October.Daylight
In September, the average length of the day in Crabtree Hollow is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September in Crabtree Hollow is 8.8h.UV index
In Crabtree Hollow, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are September temperatures in Crabtree Hollow?
What is the average humidity in September in Crabtree Hollow?
How much does it rain in Crabtree Hollow in September?
When it does not snow in Crabtree Hollow?
How many hours of daylight does Crabtree Hollow have in September?
When is the sunrise / sunset in September in Crabtree Hollow?
How long on average sun shines in September in Crabtree Hollow?
What is the UV index reading in September in Crabtree Hollow?
Average temperature in September
Crabtree Hollow, PA
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Crabtree Hollow, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Crabtree Hollow, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Crabtree Hollow, PA
- Average humidity in September: 76%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Crabtree Hollow, PA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Crabtree Hollow, PA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in September
Crabtree Hollow, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Crabtree Hollow, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Crabtree Hollow, 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 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Crabtree Hollow, PA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Crabtree Hollow, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Crabtree Hollow, PA
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Crabtree Hollow, PA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Crabtree Hollow, Pennsylvania, USA
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