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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 79.3°F (26.3°C) to an agreeable 72.5°F (22.5°C). Watsontown records a consistent low-temperature of 52.3°F (11.3°C) during September nights.Humidity
In September, the average relative humidity in Watsontown is 80%.Rainfall
In Watsontown, in September, during 12.7 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 167.6 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Watsontown, Pennsylvania.Daylight
In Watsontown, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are the temperatures in Watsontown in September?
What is the average humidity in September in Watsontown?
How many days does it rain in September in Watsontown?
When it does not snow in Watsontown?
Does it snow in Watsontown in September?
How many hours of daylight does Watsontown have in September?
What time are sunrise and sunset in September in Watsontown?
How long on average sun shines in September in Watsontown?
How high is the UV index in September in Watsontown?
Average temperature in September
Watsontown, PA
- Average high temperature in September: 72.5°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 (31.8°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Watsontown, 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
Watsontown, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Watsontown, 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
Watsontown, PA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in September
Watsontown, PA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Watsontown, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Watsontown, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Watsontown, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Watsontown, PA
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Watsontown, PA
- Average UV index in September: 4
The months with the highest UV index are June and 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
Watsontown, PA
- Average cloud cover in September: 39
The months with the most cloud cover are January, February and December (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Watsontown, 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).
Watsontown, Pennsylvania, USA
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