September weather forecastAlexander, NY
September
Weather in September
September, the first month of the autumn in Alexander, is still a pleasant month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 71.2°F (21.8°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 77.4°F (25.2°C) in August to a pleasant 71.2°F (21.8°C). Alexander's temperature lowers to a mean of 52.5°F (11.4°C) during the nights in September.Humidity
In Alexander, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Alexander, New York. Rain falls for 15.5 days and accumulates 1.61" (41mm) of precipitation.Snowfall
In Alexander, New York, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:47 pm. On the last day of September, in Alexander, sunrise is at 7:09 am and sunset at 6:55 pm EDT.
Sunshine
In Alexander, the average sunshine in September is 8.8h.UV index
In Alexander, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alexander, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Alexander, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Alexander, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Alexander, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Alexander, NY
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Alexander, NY
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Alexander, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alexander, 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
Alexander, 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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Alexander, NY
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is September (12.2 days).
The month with the least sunshine days is February (4.9 days).
Average UV index in September
Alexander, 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
Alexander, NY
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Alexander, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





