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 marks a gentle change in average high-temperature, declining from August's warm 80.4°F (26.9°C) to a pleasant 73.2°F (22.9°C). During the month of September, the nighttime temperature falls to an average of 52.9°F (11.6°C).Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Howells. Rain falls for 11 days and accumulates 1.46" (37mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Howells, the average length of the day in September is 12h and 28min.On the first day of September in Howells, New York, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are September temperatures in Howells?
What is the average humidity in September in Howells?
What is the driest month in Howells?
How much does it rain in Howells in September?
When it does not snow in Howells?
Does it snow in Howells in September?
What is the average length of the day in September in Howells?
When is the sunrise / sunset in September in Howells?
How long on average sun shines in September in Howells?
What is the UV index intensity in September in Howells?
Average temperature in September
Howells, NY
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Howells, NY
- Average pressure in September: 30.06"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
Howells, NY
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Howells, NY
- Average humidity in September: 79%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Howells, NY
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Howells, NY
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Howells, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Howells, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Howells, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Howells, NY
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Howells, 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
Howells, NY
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Howells, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Howells, New York, USA
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