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
September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 77°F (25°C) in August to an agreeable 70.7°F (21.5°C). The low-temperature average for Berlin during September stands at a fresh 52°F (11.1°C).Humidity
In Berlin, the average relative humidity in September is 81%.Rainfall
In Berlin, in September, during 14.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 158.1 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:44 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
In September, the average sunshine in Berlin is 8.1h.UV index
In Berlin, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Berlin?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Berlin have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Berlin have in September?
How high is the UV index in September?
Average temperature in September
Berlin, PA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Berlin, 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
Berlin, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Berlin, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in September
Berlin, PA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in September
Berlin, PA
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Berlin, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Berlin, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Berlin, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Berlin, PA
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Berlin, 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
Berlin, PA
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Berlin, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Berlin, Pennsylvania, USA
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