September weather forecastRew, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Rew, Pennsylvania, with an average temperature fluctuating between 49.8°F (9.9°C) and 70.2°F (21.2°C).Temperature
Rew observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 76.6°F (24.8°C) to an agreeable 70.2°F (21.2°C). Rew records a steady low-temperature average of 49.8°F (9.9°C) during September.Humidity
In Rew, the average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.89" (48mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:57 pm EDT.
Sunshine
In Rew, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rew, PA
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in September
Rew, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Rew, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Rew, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in September
Rew, PA
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Rew, PA
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Rew, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rew, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rew, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in September
Rew, PA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in September
Rew, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Rew, PA
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in September
Rew, PA
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).





