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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 80.8°F (27.1°C) in August to a still moderately hot 74.5°F (23.6°C). During the nights in September, Crabtree observes an average low-temperature of 54.3°F (12.4°C).Humidity
In Crabtree, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 14.6 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. In Crabtree, Pennsylvania, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) of precipitation.Snowfall
In Crabtree, 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 6:46 am and sunset at 7:49 pm. On the last day of September, in Crabtree, sunrise is at 7:14 am and sunset at 7:01 pm EDT.
Sunshine
In Crabtree, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Crabtree is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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.
Frequently asked questions
What are the temperatures in Crabtree in September?
What is the average humidity in September in Crabtree?
How many days does it rain in September in Crabtree?
When it does not snow in Crabtree?
Does it snow in Crabtree in September?
How many hours of daylight does Crabtree have in September?
What time are sunrise and sunset in September in Crabtree?
How many hours of sunshine does Crabtree have in September?
What is the UV index intensity in September in Crabtree?
Average temperature in September
Crabtree, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 54.3°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 (20.3°F).
Average pressure in September
Crabtree, 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
Crabtree, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Crabtree, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Crabtree, PA
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in September
Crabtree, PA
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Crabtree, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Crabtree, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Crabtree, 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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Crabtree, PA
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Crabtree, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Crabtree, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Crabtree, 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).
Crabtree, Pennsylvania, USA
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