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 moderately hot 77.4°F (25.2°C) in August to a pleasant 71.1°F (21.7°C). An average low-temperature of 52.2°F (11.2°C) is observed during the September nights.Humidity
In September, the average relative humidity in Hemlock, New York, is 79%.Rainfall
In Hemlock, in September, it is raining for 13.7 days, with typically 1.38" (35mm) of accumulated precipitation. In Hemlock, during the entire year, the rain falls for 155.6 days and collects up to 21.65" (550mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:35 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:52 pm EDT.
Sunshine
In Hemlock, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Hemlock?
What time are sunrise and sunset in September?
How many hours of sunshine does Hemlock have in September?
What is the UV index intensity in September?
Average temperature in September
Hemlock, NY
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Hemlock, 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
Hemlock, 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
Hemlock, 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
Hemlock, NY
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Hemlock, NY
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Hemlock, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hemlock, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hemlock, 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
Hemlock, NY
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in September
Hemlock, 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
Hemlock, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Hemlock, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Hemlock, New York, USA
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