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
As Kennett Square enters September, the average high-temperature subtly lowers from the a warm 82.4°F (28°C) of August to a still moderately hot 75.7°F (24.3°C). September brings an average low-temperature of 59.4°F (15.2°C) to Kennett Square.Humidity
In Kennett Square, the average relative humidity in September is 78%.Rainfall
In Kennett Square, during September, the rain falls for 11.2 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Kennett Square, Pennsylvania, there are 135 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall in Kennett Square.Daylight
The average length of the day in September in Kennett Square, Pennsylvania, is 12h and 26min.On the first day of September in Kennett Square, sunrise is at 6:31 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine in Kennett Square is 8.9h.UV index
In Kennett Square, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in Kennett Square in September?
What is the average humidity in September in Kennett Square?
How much does it rain in Kennett Square in September?
When it does not snow in Kennett Square?
What is the average length of the day in September in Kennett Square?
What time are sunrise and sunset in September in Kennett Square?
How long on average sun shines in September in Kennett Square?
How high is the UV index in September in Kennett Square?
Average temperature in September
Kennett Square, PA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in September
Kennett Square, 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
Kennett Square, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Kennett Square, PA
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Kennett Square, PA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Kennett Square, PA
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Kennett Square, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Kennett Square, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kennett Square, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Kennett Square, PA
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Kennett Square, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kennett Square, PA
- Average cloud cover in September: 38
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Kennett Square, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Kennett Square, Pennsylvania, USA
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