September weather forecast
Alligerville, NY

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Weather in September

September, the first month of the autumn in Alligerville, is still a warm month, with an average temperature ranging between min 52.7°F (11.5°C) and max 73.4°F (23°C).

Temperature

With the commencement of September, Alligerville records a moderate temperature decline, with the average high easing from August's moderately hot 81.1°F (27.3°C) to a still warm 73.4°F (23°C). Alligerville's September nights cool down to an average low-temperature of 52.7°F (11.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

In Alligerville, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September, sunrise is at 6:23 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In Alligerville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature, in September, in Alligerville, is 73.4°F (23°C), while the average low-temperature is 52.7°F (11.5°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 11.3 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Alligerville, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In Alligerville, the average day length in September is 12h and 28min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Alligerville, NY

Average temperature in September - Alligerville, NY
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in September
Alligerville, NY

Average pressure in September - Alligerville, 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
Alligerville, NY

Average wind speed in September - Alligerville, NY
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Alligerville, NY

Average humidity in September - Alligerville, NY
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Alligerville, NY

Average rainfall in September - Alligerville, NY
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in September
Alligerville, NY

Average rainfall days in September - Alligerville, NY
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in September
Alligerville, NY

Average snowfall in September - Alligerville, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Alligerville, NY

Average snowfall days in September - Alligerville, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Alligerville, NY

Average daylight in September / Average sunshine in September - Alligerville, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Alligerville, NY

Average sunshine days in September - Alligerville, NY
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in September
Alligerville, NY

Average UV index in September - Alligerville, NY
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Alligerville, NY

Average cloud cover in September - Alligerville, NY
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Alligerville, NY

Average visibility in September - Alligerville, 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).

Alligerville, New York, USA

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