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 signals a slight drop in average high-temperature, sliding from August's moderately hot 75.4°F (24.1°C) to an agreeable 68.9°F (20.5°C). Hannawa Falls experiences a nighttime temperature average of 50.9°F (10.5°C) during September.Humidity
In September, the average relative humidity is 79%.Rainfall
March and September are months with the least rain when the rain falls for 13.6 days and typically aggregates up to 2.01" (51mm) of rain.Snowfall
In Hannawa Falls, snow does not fall in June through September.Daylight
The average length of the day in September in Hannawa Falls is 12h and 31min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:36 pm. On the last day of September, in Hannawa Falls, sunrise is at 6:57 am and sunset at 6:41 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Hannawa Falls?
What is the average humidity in September in Hannawa Falls?
What is the driest month in Hannawa Falls?
How many days does it rain in September in Hannawa Falls?
When it does not snow in Hannawa Falls?
Does it snow in Hannawa Falls in September?
How many hours of daylight does Hannawa Falls have in September?
When are sunrise and sunset in September in Hannawa Falls?
How many hours of sunshine does Hannawa Falls have in September?
How high is the UV index in September in Hannawa Falls?
Average temperature in September
Hannawa Falls, NY
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Hannawa Falls, NY
- Average pressure in September: 30.04"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
Hannawa Falls, NY
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Hannawa Falls, NY
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Hannawa Falls, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is August (3.03").
The driest months (with the least rainfall) are March and September (2.01").
Average rainfall days in September
Hannawa Falls, NY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Hannawa Falls, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hannawa Falls, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hannawa Falls, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Hannawa Falls, NY
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Hannawa Falls, NY
- Average UV index in September: 3
The months with the highest UV index are 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
Hannawa Falls, NY
- Average cloud cover in September: 37
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 35).
Average visibility in September
Hannawa Falls, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Hannawa Falls, New York, USA
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