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
September brings a slight decrease in the average high-temperature, shifting from a moderately hot 81.3°F (27.4°C) in August to a still warm 74.3°F (23.5°C). An average low-temperature of 62.6°F (17°C) is recorded during the nights in September in Sunnyside.Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.6 days and typically collects 0.2" (5mm) of precipitation.Snowfall
In Sunnyside, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Sunnyside, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.
Sunshine
In Sunnyside, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Sunnyside is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sunnyside?
What is the average humidity in September in Sunnyside?
What is the driest month in Sunnyside?
How many days does it rain in September in Sunnyside?
When it does not snow in Sunnyside?
How many hours of daylight does Sunnyside have in September?
When is the sunrise / sunset in September in Sunnyside?
How long on average sun shines in September in Sunnyside?
What is the UV index reading in September in Sunnyside?
Average temperature in September
Sunnyside, NY
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in September
Sunnyside, NY
- Average pressure in September: 30.05"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
Sunnyside, NY
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Sunnyside, NY
- Average humidity in September: 73%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Sunnyside, NY
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in September
Sunnyside, NY
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is July (9.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Sunnyside, NY
- Average snowfall in September: 0"
The months with the highest snowfall are February, March and December (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Sunnyside, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sunnyside, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Sunnyside, NY
- Average sunshine days in September: 21.5 days
The months with the most sunshine days are January and December (24 days).
The month with the least sunshine days is June (17.8 days).
Average UV index in September
Sunnyside, NY
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Sunnyside, NY
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Sunnyside, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sunnyside, New York, USA
Weather forecast for your location
2. Allow the app to use your location