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 arrival of September correlates with a minor temperature reduction, down from August's moderately hot 76.5°F (24.7°C) to an agreeable 70.3°F (21.3°C). September brings an average low-temperature of 52.9°F (11.6°C) to Halfway.Humidity
In September, the average relative humidity is 79%.Rainfall
In Halfway, in September, during 14.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Halfway, there are 166.4 rainfall days, and 29.61" (752mm) of precipitation is accumulated.Snowfall
In Halfway, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:39 pm. On the last day of September, in Halfway, sunrise is at 7:02 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Halfway is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Take necessary precautions - Defending against sun damage is advocated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Halfway?
What is the average humidity in September in Halfway?
How much does it rain in Halfway in September?
When it does not snow in Halfway?
Does it snow in Halfway in September?
What is the average length of the day in September in Halfway?
What time are sunrise and sunset in September in Halfway?
How many hours of sunshine does Halfway have in September?
How high is the UV index in September in Halfway?
Average temperature in September
Halfway, NY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 52.9°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 (18.1°F).
Average pressure in September
Halfway, 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 (29.92"Hg).
Average wind speed in September
Halfway, NY
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in September
Halfway, 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 April (78%).
Average rainfall in September
Halfway, NY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Halfway, NY
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Halfway, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Halfway, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Halfway, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Halfway, NY
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in September
Halfway, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Halfway, NY
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Halfway, 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).
Halfway, New York, USA
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