September weather forecastWernersville, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Wernersville, Pennsylvania, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 55.6°F (13.1°C).Temperature
Wernersville's September weather features a light decline in high-temperatures, reducing from 80.6°F (27°C) in August to a still warm 74.5°F (23.6°C). Wernersville reports an average low-temperature of 55.6°F (13.1°C) during the nights of September.Humidity
In Wernersville, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.85" (47mm) of precipitation.Snowfall
In Wernersville, 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 6:32 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
In Wernersville, the average sunshine in September is 8.8h.UV index
In Wernersville, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wernersville, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Wernersville, 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
Wernersville, PA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Wernersville, PA
- Average humidity in September: 79%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Wernersville, PA
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Wernersville, PA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Wernersville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wernersville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wernersville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Wernersville, PA
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Wernersville, 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
Wernersville, PA
- Average cloud cover in September: 38
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Wernersville, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
