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
In Dry Run, entering September brings a subtle temperature decrement, reducing from August's 81.3°F (27.4°C) to a still moderately hot 74.3°F (23.5°C). During the month of September, an average temperature of 53.2°F (11.8°C) is noted during the nights.Humidity
In Dry Run, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Dry Run, Pennsylvania. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:42 pm. On the last day of September, in Dry Run, Pennsylvania, sunrise is at 7:07 am and sunset at 6:54 pm EDT.
Sunshine
In September, the average sunshine in Dry Run is 8.6h.UV index
In Dry Run, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are September temperatures in Dry Run?
What is the average humidity in September in Dry Run?
What is the driest month in Dry Run?
How much does it rain in Dry Run in September?
When it does not snow in Dry Run?
Does it snow in Dry Run in September?
What is the average length of the day in September in Dry Run?
When is the sunrise / sunset in September in Dry Run?
How many hours of sunshine does Dry Run have in September?
How high is the UV index in September in Dry Run?
Average temperature in September
Dry Run, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Dry Run, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Dry Run, PA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Dry Run, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Dry Run, PA
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Dry Run, PA
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Dry Run, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dry Run, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dry Run, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Dry Run, PA
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Dry Run, PA
- Average UV index in September: 4
The months with the highest UV index are May and June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Dry Run, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Dry Run, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Dry Run, Pennsylvania, USA
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