September weather forecastDunlo, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Dunlo, Pennsylvania, with an average temperature ranging between max 72°F (22.2°C) and min 52.7°F (11.5°C).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a warm 77.9°F (25.5°C) in August to a pleasant 72°F (22.2°C). Dunlo, in September, observes a steady average low-temperature of 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Dunlo, in September, it is raining for 9.4 days, with typically 1.22" (31mm) of accumulated precipitation. In Dunlo, during the entire year, the rain falls for 128.8 days and collects up to 22.95" (583mm) of precipitation.Snowfall
In Dunlo, 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 6:43 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:58 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Dunlo, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunlo, PA
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Dunlo, 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
Dunlo, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Dunlo, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in September
Dunlo, PA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is August (1.1").
Average rainfall days in September
Dunlo, PA
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is November (7 days).
Average snowfall in September
Dunlo, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunlo, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunlo, PA
- Average daylight in September: 12h and 24min
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 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Dunlo, PA
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Dunlo, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Dunlo, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Dunlo, 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).





