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 advent of September brings a slight shift in average high-temperature, moving from a warm 77.5°F (25.3°C) in August to a pleasant 71.2°F (21.8°C). In the month of September, the average temperature dips to a cool 51.8°F (11°C) during the night.Humidity
In Geneseo, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 7.6 days and accumulates 0.35" (9mm) of precipitation.Snowfall
In Geneseo, snow does not fall in June through September.Daylight
The average length of the day in September in Geneseo, New York, is 12h and 29min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:45 pm. On the last day of September, in Geneseo, New York, sunrise is at 7:08 am and sunset at 6:53 pm EDT.
Sunshine
In Geneseo, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 in September translates into these instructions:
Make use of precautions - It is urged to ward off sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Geneseo in September?
What is the average humidity in September in Geneseo?
What is the driest month in Geneseo?
How much does it rain in Geneseo in September?
When it does not snow in Geneseo?
Does it snow in Geneseo in September?
What is the average length of the day in September in Geneseo?
What time are sunrise and sunset in September in Geneseo?
How many hours of sunshine does Geneseo have in September?
What is the UV index intensity in September in Geneseo?
Average temperature in September
Geneseo, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Geneseo, 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
Geneseo, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Geneseo, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Geneseo, NY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Geneseo, NY
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is May (12.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Geneseo, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Geneseo, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Geneseo, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in September
Geneseo, NY
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The months with the least sunshine days are March and April (14 days).
Average UV index in September
Geneseo, 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
Geneseo, NY
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Geneseo, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Geneseo, New York, USA
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