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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 78.8°F (26°C) in August to a pleasant 72.3°F (22.4°C). In the month of September, an average of 53.1°F (11.7°C) marks the low-temperature in Jonas.Humidity
The average relative humidity in September in Jonas is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.46" (37mm) of precipitation.Snowfall
In Jonas, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index in Jonas, Pennsylvania, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Jonas in September?
What is the average humidity in September in Jonas?
What is the driest month in Jonas?
How many days does it rain in September in Jonas?
When it does not snow in Jonas?
Does it snow in Jonas in September?
What is the average length of the day in September in Jonas?
What time are sunrise and sunset in September in Jonas?
How long on average sun shines in September in Jonas?
What is the UV index reading in September in Jonas?
Average temperature in September
Jonas, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Jonas, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Jonas, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Jonas, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Jonas, PA
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Jonas, PA
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Jonas, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jonas, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jonas, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Jonas, PA
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Jonas, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Jonas, PA
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Jonas, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Jonas, Pennsylvania, USA
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