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 move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 79.3°F (26.3°C) to a pleasant 71.4°F (21.9°C). Throughout September, Niskayuna experiences a low-temperature average of 51.8°F (11°C).Humidity
The average relative humidity in September in Niskayuna is 77%.Rainfall
In Niskayuna, New York, in September, it is raining for 12.2 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 170.2 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Niskayuna, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Niskayuna is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the average September temperature in Niskayuna?
What is the average humidity in September in Niskayuna?
How many days does it rain in September in Niskayuna?
When it does not snow in Niskayuna?
Does it snow in Niskayuna in September?
What is the average length of the day in September in Niskayuna?
When are sunrise and sunset in September in Niskayuna?
How long on average sun shines in September in Niskayuna?
What is the UV index intensity in September in Niskayuna?
Average temperature in September
Niskayuna, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Niskayuna, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Niskayuna, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Niskayuna, NY
- Average humidity in September: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Niskayuna, NY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is March (2.17").
Average rainfall days in September
Niskayuna, NY
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Niskayuna, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Niskayuna, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Niskayuna, NY
- Average daylight in September: 12h and 3min
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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Niskayuna, NY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (15.3 days).
The months with the least sunshine days are February and April (10.3 days).
Average UV index in September
Niskayuna, 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, March, October, November and December (UV index 2).
Average cloud cover in September
Niskayuna, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Niskayuna, 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).
Niskayuna, New York, USA
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