September weather forecastLedyard, NY
September
Weather in September
September, the first month of the autumn in Ledyard, is also an agreeable month, with an average temperature ranging between min 51.4°F (10.8°C) and max 70.9°F (21.6°C).Temperature
Ledyard in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 77.5°F (25.3°C) in August to a pleasant 70.9°F (21.6°C). An average minimum temperature of 51.4°F (10.8°C) is recorded in Ledyard during the month of September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Ledyard, in September, it is raining for 10.4 days, with typically 0.91" (23mm) of accumulated precipitation. In Ledyard, during the entire year, the rain falls for 130.6 days and collects up to 11.46" (291mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:49 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ledyard, NY
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Ledyard, 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
Ledyard, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in September
Ledyard, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in September
Ledyard, NY
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Ledyard, NY
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Ledyard, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Ledyard, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ledyard, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Ledyard, NY
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in September
Ledyard, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Ledyard, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Ledyard, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, March and September (5mi).





