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 move into September indicates a slight reduction in the average high-temperature, down from August's warm 76.5°F (24.7°C) to a pleasant 70.2°F (21.2°C). During September, the temperature in Spafford Valley is averaged to a low of 51.6°F (10.9°C) at night.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Spafford Valley, New York, is September, when the rain falls for 10.5 days and typically collects 0.67" (17mm) of precipitation.Snowfall
June through September are months without snowfall in Spafford Valley.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:39 pm. On the last day of September, in Spafford Valley, New York, sunrise is at 7:01 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine in Spafford Valley is 8.9h.UV index
In Spafford Valley, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the usual temperature for Spafford Valley in September?
What is the average humidity in September in Spafford Valley?
What is the driest month in Spafford Valley?
How much does it rain in Spafford Valley in September?
When it does not snow in Spafford Valley?
Does it snow in Spafford Valley in September?
What is the average length of the day in September in Spafford Valley?
When is the sunrise / sunset in September in Spafford Valley?
How long on average sun shines in September in Spafford Valley?
What is the UV index intensity in September in Spafford Valley?
Average temperature in September
Spafford Valley, NY
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Spafford Valley, 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
Spafford Valley, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Spafford Valley, NY
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in September
Spafford Valley, NY
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Spafford Valley, NY
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Spafford Valley, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spafford Valley, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spafford Valley, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Spafford Valley, NY
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Spafford Valley, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Spafford Valley, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Spafford Valley, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Spafford Valley, New York, USA
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