September weather forecastEast Prospect, PA
September
Weather in September
September, the first month of the autumn in East Prospect, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 75°F (23.9°C).Temperature
With the onset of September, East Prospect experiences a modest temperature adjustment, with the average high-temperature gently receding from 81.1°F (27.3°C) in August to a still warm 75°F (23.9°C). Throughout September, the nighttime temperature in East Prospect averages to a mild 56.3°F (13.5°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In East Prospect, in September, it is raining for 10.2 days, with typically 1.1" (28mm) of accumulated precipitation. In East Prospect, during the entire year, the rain falls for 130.2 days and collects up to 16.22" (412mm) of precipitation.Snowfall
In East Prospect, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:49 pm EDT.
Sunshine
In East Prospect, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
East Prospect, PA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
East Prospect, 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 (29.94"Hg).
Average wind speed in September
East Prospect, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
East Prospect, PA
- Average humidity in September: 79%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in September
East Prospect, PA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
East Prospect, PA
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
East Prospect, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
East Prospect, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
East Prospect, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
East Prospect, PA
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
East Prospect, 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, November and December (UV index 2).
Average cloud cover in September
East Prospect, PA
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
East Prospect, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
