September weather forecast and climate
Olcott, NY

September, the first month of the autumn, in Olcott, is still a pleasant month, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 59.9°F (15.5°C).

Temperature

In September, the average high-temperature is practically the same as in August - a pleasant 70.5°F (21.4°C). In September, the average low-temperature is 59.9°F (15.5°C).

Humidity

With an average relative humidity of 74%, September is the least humid month.

Rainfall

September is the month with the least rainfall in Olcott. Rain falls for 13.8 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

In Olcott, New York, snow does not fall in June through September.

Ocean temperature

In Olcott, New York, the average water temperature is 68.5°F (20.3°C).
Note: For most, swimming in 68.5°F (20.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Olcott, the average length of the day in September is 12.5h.

Sunshine

The average sunshine in Olcott, New York, is 9.4h.

UV index

In Olcott, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Olcott?

In Olcott, New York, in September, the average high-temperature is 70.5°F (21.4°C), and the average low-temperature is 59.9°F (15.5°C).

What is the least humid month in Olcott?

The least humid month in Olcott, New York, is September, with an average relative humidity of 74%.

What is the average humidity in September in Olcott?

The average relative humidity in September in Olcott is 74%.

How many days does it rain in September in Olcott?

In Olcott, in September, it is raining for 13.8 days, with typically 1.93" (49mm) of accumulated precipitation.

What is the driest month in Olcott?

September is the month with the least rainfall in Olcott. Rain falls for 13.8 days and accumulates 1.93" (49mm) of precipitation.

Does it snow in Olcott in September?

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

When it does not snow in Olcott?

In Olcott snow does not fall in June through September.

What is the ocean temperature in September in Olcott?

In September, the average ocean temperature is 68.5°F (20.3°C). For swimming, a surface water temperature of 68.5°F (20.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Olcott have in September?

In Olcott, the average length of the day in September is 12.5h.

How long on average sun shines in September in Olcott?

In Olcott, the average sunshine in September is 9.4h.

What is the UV index reading in September in Olcott?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Olcott, NY
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in September: 15.5°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).

Average pressure in September - Olcott, NY
  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in September - Olcott, NY
  • Average wind speed in September: 14.8km/h

The windiest month (with the highest average wind speed) is January (21.7km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

Average humidity in September - Olcott, NY
  • Average humidity in September: 74%

Months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).

Average rainfall in September - Olcott, NY
  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is May (77mm).
The driest month (with the least rainfall) is September (49mm).

Average rainfall days in September - Olcott, NY
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in September - Olcott, NY
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (114mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (15.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in September - Olcott, NY
  • Average sea temperature in September: 20.3°C

The best month for swimming (with the highest average sea temperature) is August (22.7°C).
The coldest month (with the lowest average sea temperature) is March (2°C).

Average daylight in September / Average sunshine in September - Olcott, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 9.4h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 2.6h).

Average sunshine days in September - Olcott, NY
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (6.6 days).

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

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September - Olcott, NY
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in September - Olcott, NY
  • Average visibility in September: 10km

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January and February (8km).