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 sea temperature 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
September brings an average high-temperature of a pleasant 70.5°F (21.4°C), showing a slight difference from August's 75.7°F (24.3°C). In the month of September, Olcott records a consistent average low-temperature of 59.9°F (15.5°C).Humidity
The least humid month is September, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 1.93" (49mm) of precipitation.Snowfall
June through September are months without snowfall in Olcott.Ocean temperature
In Olcott, in September, the average water temperature is 68.5°F (20.3°C).Note: For most individuals, swimming in 68.5°F (20.3°C) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 69.8°F (21°C).
Daylight
In Olcott, New York, the average length of the day in September is 12h and 29min.On the first day of September in Olcott, sunrise is at 6:39 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:57 pm EDT.
Sunshine
In Olcott, the average sunshine in September is 9.4h.UV index
In Olcott, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Olcott in September?
What is the least humid month in Olcott?
What is the average humidity in September in Olcott?
What is the driest month in Olcott?
How much does it rain in Olcott in September?
When it does not snow in Olcott?
Does it snow in Olcott in September?
What is the ocean temperature in September in Olcott?
How many hours of daylight does Olcott have in September?
When is the sunrise / sunset in September in Olcott?
How long on average sun shines in September in Olcott?
What is the UV index intensity in September in Olcott?
Average temperature in September
Olcott, NY
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Olcott, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Olcott, NY
- Average wind speed in September: 9.2mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Olcott, NY
- Average humidity in September: 74%
The 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: 1.93"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.93").
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: 0"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
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).
The 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: 68.5°F
The best month for swimming (with the highest average sea temperature) is August (72.9°F).
The coldest month (with the lowest average sea temperature) is March (35.7°F).
Average daylight in September /
Average sunshine in September
Olcott, 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 0min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
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
The months with the highest UV index are July and August (UV index 6).
The 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: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Olcott, New York, USA
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