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
Port Henry in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 77.5°F (25.3°C) in August to a pleasant 69.6°F (20.9°C). Throughout the month of September, Port Henry reports a steady low-temperature average of 48.9°F (9.4°C).Humidity
In Port Henry, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.5 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Port Henry, New York, snow does not fall in June through September.Daylight
In September, the average length of the day in Port Henry is 12h and 30min.On the first day of September in Port Henry, New York, sunrise is at 6:17 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Port Henry is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the average September temperature in Port Henry?
What is the average humidity in September in Port Henry?
What is the driest month in Port Henry?
How much does it rain in Port Henry in September?
When it does not snow in Port Henry?
Does it snow in Port Henry in September?
What is the average length of the day in September in Port Henry?
When are sunrise and sunset in September in Port Henry?
How long on average sun shines in September in Port Henry?
What is the UV index intensity in September in Port Henry?
Average temperature in September
Port Henry, NY
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in September
Port Henry, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Port Henry, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Port Henry, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Port Henry, NY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Port Henry, NY
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is July (10.9 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Port Henry, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Port Henry, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Port Henry, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Port Henry, NY
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is September (22.1 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in September
Port Henry, 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
Port Henry, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Port Henry, NY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Port Henry, New York, USA
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