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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 79.2°F (26.2°C) to an agreeable 71.4°F (21.9°C). An average nighttime temperature of 51.6°F (10.9°C) is recorded during September.Humidity
In Alplaus, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 132 rainfall days, and 22.4" (569mm) of precipitation is accumulated.Snowfall
In Alplaus, snow does not fall in June through September.Daylight
In Alplaus, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Alplaus, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in Alplaus?
What is the average humidity in September in Alplaus?
How many days does it rain in September in Alplaus?
When it does not snow in Alplaus?
Does it snow in Alplaus in September?
What is the average length of the day in September in Alplaus?
When is the sunrise / sunset in September in Alplaus?
How long on average sun shines in September in Alplaus?
What is the UV index intensity in September in Alplaus?
Average temperature in September
Alplaus, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 51.6°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 (17.1°F).
Average pressure in September
Alplaus, 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
Alplaus, NY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Alplaus, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Alplaus, NY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is October (2.4").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in September
Alplaus, NY
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Alplaus, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alplaus, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alplaus, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Alplaus, NY
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (13.1 days).
Average UV index in September
Alplaus, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Alplaus, NY
- Average cloud cover in September: 35
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
Alplaus, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August and September (5mi).
Alplaus, New York, USA
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