September weather forecastDiamond Point, NY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Diamond Point, New York, with an average temperature varying between 70.2°F (21.2°C) and 49.8°F (9.9°C).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 77.7°F (25.4°C) to a pleasant 70.2°F (21.2°C). September witnesses an average nighttime temperature of 49.8°F (9.9°C) in Diamond Point, New York.Humidity
The average relative humidity in September in Diamond Point, New York, is 79%.Rainfall
The month with the least rainfall in Diamond Point is September, when the rain falls for 10.1 days and typically collects 1.02" (26mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:29 pm. On the last day of September, in Diamond Point, sunrise is at 6:51 am and sunset at 6:37 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Diamond Point is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Diamond Point, NY
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Diamond Point, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Diamond Point, NY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Diamond Point, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Diamond Point, NY
- Average rainfall in September: 1.02"
The wettest months (with the highest rainfall) are April and October (1.89").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in September
Diamond Point, NY
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Diamond Point, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Diamond Point, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Diamond Point, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Diamond Point, NY
- Average sunshine days in September: 18 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Diamond Point, 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
Diamond Point, NY
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Diamond Point, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





