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's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 80.2°F (26.8°C) to a pleasant 72.9°F (22.7°C). Throughout September, the average low-temperature dips to a fresh 54.7°F (12.6°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Putnam Lake, during September, the rain falls for 13.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 163.7 rainfall days, and 37.32" (948mm) of precipitation is accumulated.Snowfall
In Putnam Lake, snow does not fall in June through September.Daylight
In Putnam Lake, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:21 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Putnam Lake, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. 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 average September temperature in Putnam Lake?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Putnam Lake have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Putnam Lake?
Average temperature in September
Putnam Lake, NY
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Putnam Lake, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Putnam Lake, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Putnam Lake, NY
- Average humidity in September: 79%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Putnam Lake, NY
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is July (3.9").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days in September
Putnam Lake, NY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Putnam Lake, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Putnam Lake, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Putnam Lake, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Putnam Lake, NY
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Putnam Lake, NY
- Average UV index in September: 4
The month with the highest UV index is June (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
Putnam Lake, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Putnam Lake, 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).
Putnam Lake, New York, USA
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