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 transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 71.2°F (21.8°C) from August's moderately hot 79.3°F (26.3°C). In September, the temperature drops to an average of 51.1°F (10.6°C) at night.Humidity
In South Bethlehem, New York, the average relative humidity in September is 79%.Rainfall
In South Bethlehem, in September, during 11.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In South Bethlehem, during the entire year, the rain falls for 153.2 days and collects up to 30" (762mm) of precipitation.Snowfall
June through September are months without snowfall in South Bethlehem.Daylight
In September, the average length of the day in South Bethlehem is 12h and 29min.On the first day of September in South Bethlehem, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
In South Bethlehem, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in South Bethlehem is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What is the temperature in September in South Bethlehem?
What is the average humidity in September in South Bethlehem?
How much does it rain in South Bethlehem in September?
When it does not snow in South Bethlehem?
Does it snow in South Bethlehem in September?
What is the average length of the day in September in South Bethlehem?
When is the sunrise / sunset in September in South Bethlehem?
How many hours of sunshine does South Bethlehem have in September?
What is the UV index intensity in September in South Bethlehem?
Average temperature in September
South Bethlehem, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
South Bethlehem, 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 (29.92"Hg).
Average wind speed in September
South Bethlehem, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
South Bethlehem, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
South Bethlehem, NY
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
South Bethlehem, NY
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
South Bethlehem, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Bethlehem, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Bethlehem, 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 months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
South Bethlehem, NY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
South Bethlehem, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
South Bethlehem, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
South Bethlehem, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, November and December (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and October (5mi).
South Bethlehem, New York, USA
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