September weather forecast
Colliersville, NY

Share

Weather in September

The first month of the autumn, September, is also an agreeable month in Colliersville, New York, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 68.9°F (20.5°C).

Temperature

A mild drop in Colliersville's average high-temperature is observed in September, transitioning from a moderately hot 75.2°F (24°C) in August to an agreeable 68.9°F (20.5°C). In September, Colliersville's temperature tends to fall to an average low of 48.4°F (9.1°C) during the night.

Humidity

In Colliersville, the average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall in Colliersville. Rain falls for 13.1 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of September in Colliersville, sunrise is at 6:25 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Colliersville, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during September leads to these instructions:
Be vigilant - Preventing sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
[Resources]

Frequently asked questions

What are the temperatures in Colliersville in September?

The high-temperature, in September, in Colliersville, records 68.9°F (20.5°C), while the low-temperature is 48.4°F (9.1°C).

What is the average humidity in September in Colliersville?

The average relative humidity in September is 81%.

What is the driest month in Colliersville?

The month with the least rainfall in Colliersville is September, when the rain falls for 13.1 days and typically collects 1.97" (50mm) of precipitation.

How many days does it rain in September in Colliersville?

In September, in Colliersville, New York, the rain falls for 13.1 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow in Colliersville?

June through September are months without snowfall.

Does it snow in Colliersville in September?

In Colliersville, New York, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Colliersville?

In September, the average day length in Colliersville, New York, is 12h and 29min.

When is the sunrise / sunset in September in Colliersville?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:33 pm. On the last day of the month, in Colliersville, sunrise is at 6:56 am and sunset at 6:42 pm EDT.

How long on average sun shines in September in Colliersville?

In Colliersville, the average sunshine duration in September is 8.4h.

What is the UV index intensity in September in Colliersville?

In Colliersville, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Colliersville, NY

Average temperature in September - Colliersville, NY
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in September: 48.4°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

[Resources]

Average pressure in September
Colliersville, NY

Average pressure in September - Colliersville, 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).

[Resources]

Average wind speed in September
Colliersville, NY

Average wind speed in September - Colliersville, NY
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

[Resources]

Average humidity in September
Colliersville, NY

Average humidity in September - Colliersville, NY
  • Average humidity in September: 81%

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).

[Resources]

Average rainfall in September
Colliersville, NY

Average rainfall in September - Colliersville, NY
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.97").

[Resources]

Average rainfall days in September
Colliersville, NY

Average rainfall days in September - Colliersville, NY
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).

[Resources]

Average snowfall in September
Colliersville, NY

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

The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Colliersville, NY

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

The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Colliersville, 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 6min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

[Resources]

Average sunshine days in September
Colliersville, NY

Average sunshine days in September - Colliersville, NY
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.5 days).

[Resources]

Average UV index in September
Colliersville, NY

Average UV index in September - Colliersville, 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, November and December (UV index 1).

[Resources]

Average cloud cover in September
Colliersville, NY

Average cloud cover in September - Colliersville, NY
  • Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).

[Resources]

Average visibility in September
Colliersville, NY

Average visibility in September - Colliersville, NY
  • Average visibility in September: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

[Resources]

Colliersville, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location