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
As August makes way for September, Aleppo's average high-temperature eases from 82°F (27.8°C) to a still warm 76.1°F (24.5°C). In Aleppo, a significant divergence from daytime highs is recorded, with average lows of 54.5°F (12.5°C) during September nights.Humidity
In Aleppo, the average relative humidity in September is 79%.Rainfall
In Aleppo, in September, during 14.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Aleppo, during the entire year, the rain falls for 184.2 days and collects up to 35.75" (908mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Aleppo is 12h and 26min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:05 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Aleppo, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Aleppo have in September?
How high is the UV index in September?
Average temperature in September
Aleppo, PA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Aleppo, PA
- Average pressure in September: 30.05"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
Aleppo, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Aleppo, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Aleppo, PA
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Aleppo, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in September
Aleppo, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Aleppo, 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
Aleppo, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Aleppo, PA
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in September
Aleppo, PA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Aleppo, PA
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Aleppo, 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).
Aleppo, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location