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
Clonmell, Pennsylvania, in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 81.9°F (27.7°C) to a still moderately hot 75°F (23.9°C). During September, an average low-temperature of 58.8°F (14.9°C) is observed in Clonmell.Humidity
The months with the highest humidity are February, May, September, October and December, with an average relative humidity of 79%.Rainfall
January, September and November are months with the least rain when the rain falls for 10.8 days and typically aggregates up to 0.87" (22mm) of rain.Snowfall
June through October are months without snowfall in Clonmell.Daylight
The average length of the day in September in Clonmell is 12h and 26min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of September, in Clonmell, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine in Clonmell is 8.9h.UV index
In Clonmell, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are the temperatures in Clonmell in September?
What are the most humid months in Clonmell?
What is the average humidity in September in Clonmell?
What is the driest month in Clonmell?
How many days does it rain in September in Clonmell?
When it does not snow in Clonmell?
What is the average length of the day in September in Clonmell?
When is the sunrise / sunset in September in Clonmell?
How many hours of sunshine does Clonmell have in September?
How high is the UV index in September in Clonmell?
Average temperature in September
Clonmell, PA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Clonmell, 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
Clonmell, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Clonmell, PA
- Average humidity in September: 79%
The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in September
Clonmell, PA
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").
Average rainfall days in September
Clonmell, PA
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Clonmell, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Clonmell, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clonmell, 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
Clonmell, PA
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in September
Clonmell, 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
Clonmell, PA
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Clonmell, PA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Clonmell, Pennsylvania, USA
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