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 start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 80.6°F (27°C) in August to a still warm 74.5°F (23.6°C). The average low-temperature, in September, is a mild 56.7°F (13.7°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Lampeter, during September, the rain falls for 12.6 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 158.5 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:33 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Lampeter, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Lampeter have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Lampeter have in September?
What is the UV index reading in September?
Average temperature in September
Lampeter, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Lampeter, 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
Lampeter, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Lampeter, PA
- Average humidity in September: 80%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Lampeter, PA
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in September
Lampeter, PA
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Lampeter, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lampeter, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lampeter, PA
- Average daylight in September: 12h and 2min
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 4min
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 30min).
Average sunshine days in September
Lampeter, PA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Lampeter, 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
Lampeter, PA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Lampeter, 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).
Lampeter, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location