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
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 78.4°F (25.8°C) in August to a pleasant 72°F (22.2°C). Throughout the month of September, Wapwallopen observes an average nighttime temperature of 52°F (11.1°C).Humidity
In Wapwallopen, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Wapwallopen is September, when the rain falls for 8.9 days and typically collects 0.55" (14mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Wapwallopen, Pennsylvania, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Wapwallopen is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average September temperature in Wapwallopen?
What is the average humidity in September in Wapwallopen?
What is the driest month in Wapwallopen?
How many days does it rain in September in Wapwallopen?
When it does not snow in Wapwallopen?
Does it snow in Wapwallopen in September?
How many hours of daylight does Wapwallopen have in September?
When are sunrise and sunset in September in Wapwallopen?
How long on average sun shines in September in Wapwallopen?
What is the UV index reading in September in Wapwallopen?
Average temperature in September
Wapwallopen, PA
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Wapwallopen, PA
- Average pressure in September: 30.07"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
Wapwallopen, PA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Wapwallopen, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Wapwallopen, PA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Wapwallopen, PA
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Wapwallopen, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wapwallopen, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wapwallopen, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Wapwallopen, PA
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Wapwallopen, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Wapwallopen, PA
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Wapwallopen, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Wapwallopen, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
