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
The transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 73°F (22.8°C) from August's warm 79.7°F (26.5°C). Welliversville witnesses an average low-temperature of 52.7°F (11.5°C) throughout the month of September.Humidity
In Welliversville, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.97" (50mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Welliversville is 12h and 28min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:38 pm. On the last day of September, in Welliversville, Pennsylvania, sunrise is at 7:02 am and sunset at 6:49 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Welliversville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Welliversville?
What is the average humidity in September in Welliversville?
What is the driest month in Welliversville?
How much does it rain in Welliversville in September?
When it does not snow in Welliversville?
Does it snow in Welliversville in September?
What is the average length of the day in September in Welliversville?
When are sunrise and sunset in September in Welliversville?
How long on average sun shines in September in Welliversville?
What is the UV index intensity in September in Welliversville?
Average temperature in September
Welliversville, PA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Welliversville, 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
Welliversville, PA
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Welliversville, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in September
Welliversville, PA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Welliversville, PA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Welliversville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Welliversville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Welliversville, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Welliversville, PA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is February (10.7 days).
Average UV index in September
Welliversville, PA
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Welliversville, PA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Welliversville, 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).
Welliversville, Pennsylvania, USA
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