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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 83.5°F (28.6°C) in August to a still moderately hot 76.6°F (24.8°C). Throughout the month of September, Crum Lynne reports a steady low-temperature average of 60.8°F (16°C).Humidity
In September, the average relative humidity in Crum Lynne is 76%.Rainfall
In Crum Lynne, in September, it is raining for 12.6 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 148.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day in Crum Lynne is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Crum Lynne, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the average September temperature in Crum Lynne?
What is the average humidity in September in Crum Lynne?
How much does it rain in Crum Lynne in September?
When it does not snow in Crum Lynne?
How many hours of daylight does Crum Lynne have in September?
When is the sunrise / sunset in September in Crum Lynne?
How long on average sun shines in September in Crum Lynne?
How high is the UV index in September in Crum Lynne?
Average temperature in September
Crum Lynne, PA
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Crum Lynne, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Crum Lynne, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Crum Lynne, PA
- Average humidity in September: 76%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Crum Lynne, PA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Crum Lynne, PA
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Crum Lynne, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Crum Lynne, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Crum Lynne, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Crum Lynne, PA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Crum Lynne, PA
- Average UV index in September: 5
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
Crum Lynne, PA
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Crum Lynne, PA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Crum Lynne, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
