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
Purchase's weather subtly changes with the onset of September, barely falling from 81.1°F (27.3°C) in August to a still moderately hot 73.9°F (23.3°C). During September in Purchase, the average low-temperature is recorded at a mild 60.6°F (15.9°C).Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 2.2" (56mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Purchase 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, in Purchase, sunrise is at 6:51 am and sunset at 6:38 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Purchase, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the average September temperature in Purchase?
What is the average humidity in September in Purchase?
What is the driest month in Purchase?
How much does it rain in Purchase in September?
When it does not snow in Purchase?
How many hours of daylight does Purchase have in September?
When are sunrise and sunset in September in Purchase?
How many hours of sunshine does Purchase have in September?
How high is the UV index in September in Purchase?
Average temperature in September
Purchase, NY
- Average high temperature in September: 73.9°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 (35.2°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Purchase, 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
Purchase, NY
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Purchase, NY
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in September
Purchase, NY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Purchase, NY
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Purchase, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Purchase, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Purchase, 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 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Purchase, NY
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Purchase, NY
- Average UV index in September: 4
The months with the highest UV index are 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
Purchase, NY
- Average cloud cover in September: 34
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Purchase, 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).
Purchase, New York, USA
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