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
In Branchport, the average high-temperature in September gently drops from a moderately hot 77.4°F (25.2°C) in August to an agreeable 71.1°F (21.7°C). Branchport observes an average low-temperature of 51.6°F (10.9°C) during September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Branchport, there are 171.3 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
In Branchport, snow does not fall in June through September.Daylight
In September, the average length of the day in Branchport is 12h and 29min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:42 pm. On the last day of September, in Branchport, New York, sunrise is at 7:05 am and sunset at 6:51 pm EDT.
Sunshine
In Branchport, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Branchport, New York, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Branchport?
What is the average humidity in September in Branchport?
How much does it rain in Branchport in September?
When it does not snow in Branchport?
Does it snow in Branchport in September?
What is the average length of the day in September in Branchport?
What time are sunrise and sunset in September in Branchport?
How long on average sun shines in September in Branchport?
What is the UV index reading in September in Branchport?
Average temperature in September
Branchport, NY
- Average high temperature in September: 71.1°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 (28.6°F).
- Average low temperature in September: 51.6°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
Branchport, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Branchport, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Branchport, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Branchport, NY
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Branchport, NY
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Branchport, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Branchport, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Branchport, 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 18min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Branchport, NY
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in September
Branchport, 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
Branchport, NY
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Branchport, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August and October (6mi).
The months with the lowest visibility are January, February, March, September, November and December (5mi).
Branchport, New York, USA
Weather forecast for your location
2. Allow the app to use your location