September weather forecastFort Howard, MD
September
Weather in September
September, the first month of the autumn in Fort Howard, is still a warm month, with an average temperature fluctuating between 76.8°F (24.9°C) and 62.8°F (17.1°C).Temperature
September ushers in a minor alteration in Fort Howard's climate, with the average high-temperature moving from August's moderately hot 82.9°F (28.3°C) to a still warm 76.8°F (24.9°C). Throughout the nights in September, Fort Howard experiences an average low-temperature of 62.8°F (17.1°C).Humidity
In September, the average relative humidity in Fort Howard is 74%.Rainfall
January and September are months with the least rain when the rain falls for 6.8 days and typically aggregates up to 0.35" (9mm) of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:49 pm EDT.
Sunshine
In Fort Howard, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fort Howard, MD
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in September
Fort Howard, MD
- 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
Fort Howard, MD
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Fort Howard, MD
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Fort Howard, MD
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is August (1.06").
The driest months (with the least rainfall) are January and September (0.35").
Average rainfall days in September
Fort Howard, MD
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is November (4.1 days).
Average snowfall in September
Fort Howard, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Fort Howard, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Fort Howard, MD
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in September
Fort Howard, MD
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in September
Fort Howard, MD
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Fort Howard, MD
- Average cloud cover in September: 34
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Fort Howard, MD
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





