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 heralds a minor drop in average high-temperature, sliding from August's warm 77.5°F (25.3°C) to an agreeable 71.2°F (21.8°C). The nighttime temperature in September experiences a minor dip, averaging a refreshing 65.1°F (18.4°C).Humidity
In Calverton, New York, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.89" (48mm) of precipitation.Snowfall
April, June through October are months without snowfall in Calverton.Daylight
In September, the average length of the day in Calverton is 12h and 27min.On the first day of September, sunrise is at 6:18 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:34 pm EDT.
Sunshine
The average sunshine in September in Calverton, New York, is 9h.UV index
In Calverton, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are the temperatures in Calverton in September?
What is the average humidity in September in Calverton?
What is the driest month in Calverton?
How much does it rain in Calverton in September?
When it does not snow in Calverton?
How many hours of daylight does Calverton have in September?
When are sunrise and sunset in September in Calverton?
How long on average sun shines in September in Calverton?
How high is the UV index in September in Calverton?
Average temperature in September
Calverton, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Calverton, NY
- Average pressure in September: 30.05"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
Calverton, NY
- Average wind speed in September: 11.2mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).
Average humidity in September
Calverton, NY
- Average humidity in September: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Calverton, NY
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Calverton, NY
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Calverton, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Calverton, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Calverton, 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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Calverton, NY
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in September
Calverton, NY
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Calverton, NY
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Calverton, 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).
Calverton, New York, USA
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