September weather forecastCocolamus, PA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cocolamus, Pennsylvania, with an average temperature ranging between min 54.3°F (12.4°C) and max 74.3°F (23.5°C).Temperature
September brings a slight decrease in temperature, down from a moderately hot 81.7°F (27.6°C) in August to a still warm 74.3°F (23.5°C). In the month of September, Cocolamus's average low-temperature falls to a cool 54.3°F (12.4°C).Humidity
In Cocolamus, the average relative humidity in September is 79%.Rainfall
In Cocolamus, during September, the rain falls for 12.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Cocolamus, Pennsylvania, during the entire year, the rain falls for 157.4 days and collects up to 28.46" (723mm) of precipitation.Snowfall
In Cocolamus, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:36 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:52 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cocolamus, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Cocolamus, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Cocolamus, PA
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Cocolamus, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Cocolamus, PA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in September
Cocolamus, PA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Cocolamus, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cocolamus, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cocolamus, PA
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in September
Cocolamus, PA
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Cocolamus, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Cocolamus, PA
- Average cloud cover in September: 39
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Cocolamus, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).





