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 onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 75.7°F (24.3°C) in August to an agreeable 69.3°F (20.7°C). An average low-temperature of 49.8°F (9.9°C) marks the nights throughout September.Humidity
The average relative humidity in September in Harford Mills is 82%.Rainfall
In Harford Mills, in September, it is raining for 14.2 days, with typically 2.52" (64mm) of accumulated precipitation. In Harford Mills, during the entire year, the rain falls for 165.9 days and collects up to 34.41" (874mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Harford Mills, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Harford Mills, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Harford Mills have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Harford Mills have in September?
How high is the UV index in September?
Average temperature in September
Harford Mills, NY
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Harford Mills, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Harford Mills, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Harford Mills, NY
- Average humidity in September: 82%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).
Average rainfall in September
Harford Mills, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in September
Harford Mills, NY
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Harford Mills, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Harford Mills, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harford Mills, NY
- Average daylight in September: 12h and 3min
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 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Harford Mills, NY
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.1 days).
Average UV index in September
Harford Mills, NY
- 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, February and December (UV index 1).
Average cloud cover in September
Harford Mills, NY
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Harford Mills, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Harford Mills, New York, USA
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