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 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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 77.7°F (25.4°C) in August to a pleasant 71.2°F (21.8°C). In the month of September, the average temperature dips to a fresh 52.7°F (11.5°C) during the night.Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.2 days and typically collects 0.39" (10mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Canandaigua, the average length of the day in September is 12h and 29min.On the first day of September in Canandaigua, sunrise is at 6:34 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:51 pm EDT.
Sunshine
In Canandaigua, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Canandaigua is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Canandaigua?
What is the average humidity in September in Canandaigua?
What is the driest month in Canandaigua?
How much does it rain in Canandaigua in September?
When it does not snow in Canandaigua?
Does it snow in Canandaigua in September?
What is the average length of the day in September in Canandaigua?
What time are sunrise and sunset in September in Canandaigua?
How long on average sun shines in September in Canandaigua?
How high is the UV index in September in Canandaigua?
Average temperature in September
Canandaigua, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°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 (18°F).
Average pressure in September
Canandaigua, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Canandaigua, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Canandaigua, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Canandaigua, NY
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in September
Canandaigua, NY
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Canandaigua, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Canandaigua, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Canandaigua, 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 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in September
Canandaigua, NY
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is October (19.2 days).
The months with the least sunshine days are April and July (13.3 days).
Average UV index in September
Canandaigua, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Canandaigua, NY
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Canandaigua, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Canandaigua, New York, USA
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