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 average high-temperature slightly decreases in September, shifting from 81.1°F (27.3°C) in August to a still warm 73.6°F (23.1°C). Mahopac Falls records a steady low-temperature average of 56.1°F (13.4°C) during September.Humidity
In Mahopac Falls, New York, the average relative humidity in September is 78%.Rainfall
In September, in Mahopac Falls, the rain falls for 12 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 150.6 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:38 pm EDT.
Sunshine
In September, the average sunshine in Mahopac Falls is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Mahopac Falls?
What is the average humidity in September in Mahopac Falls?
How many days does it rain in September in Mahopac Falls?
When it does not snow in Mahopac Falls?
Does it snow in Mahopac Falls in September?
How many hours of daylight does Mahopac Falls have in September?
When are sunrise and sunset in September in Mahopac Falls?
How many hours of sunshine does Mahopac Falls have in September?
How high is the UV index in September in Mahopac Falls?
Average temperature in September
Mahopac Falls, NY
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Mahopac Falls, 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
Mahopac Falls, NY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Mahopac Falls, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Mahopac Falls, NY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in September
Mahopac Falls, NY
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Mahopac Falls, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mahopac Falls, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mahopac Falls, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Mahopac Falls, NY
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Mahopac Falls, NY
- Average UV index in September: 4
The months with the highest UV index are June 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
Mahopac Falls, NY
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Mahopac Falls, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May and June (5mi).
Mahopac Falls, New York, USA
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