September weather forecast
Potsdam, NY

Weather in September

September, the first month of the autumn in Potsdam, is still a pleasant month, with an average temperature varying between 68.9°F (20.5°C) and 50.9°F (10.5°C).

Temperature

In Potsdam, New York, the average high-temperature in September marginally drops from a warm 75.4°F (24.1°C) in August to an agreeable 68.9°F (20.5°C). The average low-temperature, in Potsdam, is 50.9°F (10.5°C).

Humidity

In Potsdam, New York, the average relative humidity in September is 79%.

Rainfall

March and September are months with the least rain in Potsdam when the rain falls for 13.6 days and typically aggregates up to 2.01" (51mm) of rain.

Snowfall

June through September are months without snowfall.

Daylight

In Potsdam, the average length of the day in September is 12h and 31min.
On the first day of September in Potsdam, sunrise is at 6:22 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index in Potsdam is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Potsdam?

In September, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in September in Potsdam?

In Potsdam, the average relative humidity in September is 79%.

What is the driest month in Potsdam?

March and September are months with the least rain in Potsdam when the rain falls for 13.6 days and typically aggregates up to 2.01" (51mm) of rain.

How much does it rain in Potsdam in September?

In Potsdam, in September, during 13.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Potsdam?

June through September are months without snowfall in Potsdam.

Does it snow in Potsdam in September?

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

How many hours of daylight does Potsdam have in September?

The average day length in September in Potsdam is 12h and 31min.

When is the sunrise / sunset in September in Potsdam?

On the first day of September, sunrise is at 6:22 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:42 pm EDT.

How long on average sun shines in September in Potsdam?

The average sunshine duration in September in Potsdam is 8.7h.

How high is the UV index in September in Potsdam?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Potsdam, NY

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

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in September: 50.9°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in September
Potsdam, NY

Average pressure in September - Potsdam, NY
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Potsdam, NY

Average wind speed in September - Potsdam, NY
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in September
Potsdam, NY

Average humidity in September - Potsdam, NY
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in September
Potsdam, NY

Average rainfall in September - Potsdam, NY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is August (3.03").
The driest months (with the least rainfall) are March and September (2.01").

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Average rainfall days in September
Potsdam, NY

Average rainfall days in September - Potsdam, NY
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).

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Average snowfall in September
Potsdam, NY

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

The month with the highest snowfall is January (8.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Potsdam, NY

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

The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Potsdam, NY
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 53min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

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Average sunshine days in September
Potsdam, NY

Average sunshine days in September - Potsdam, NY
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (15 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in September
Potsdam, NY

Average UV index in September - Potsdam, NY
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
Potsdam, NY

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

The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in September
Potsdam, NY

Average visibility in September - Potsdam, NY
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).

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