September weather forecastHoward, PA
September
Weather in September
September, the first month of the autumn in Howard, is still a pleasant month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 72.5°F (22.5°C).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 79.7°F (26.5°C) in August to an agreeable 72.5°F (22.5°C). In Howard, the average temperature during the nights of September drops to a cool 52°F (11.1°C).Humidity
In Howard, the average relative humidity in September is 80%.Rainfall
In Howard, in September, during 13.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Howard, Pennsylvania, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Howard, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Howard, PA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Howard, 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 (29.95"Hg).
Average wind speed in September
Howard, PA
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Howard, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Howard, PA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in September
Howard, PA
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Howard, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Howard, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Howard, PA
- Average daylight in September: 12h and 30min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Howard, PA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Howard, PA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Howard, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Howard, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
