September weather forecastHowells, NY

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Howells, New York, with an average temperature fluctuating between 52.9°F (11.6°C) and 73.2°F (22.9°C).

Temperature

Howells's September weather shows a modest shift in high-temperatures, falling from August's warm 80.4°F (26.9°C) to a pleasant 73.2°F (22.9°C). Howells reports an average nighttime low-temperature of 52.9°F (11.6°C) in September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 11 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

In Howells, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, 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

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Howells, 73.2°F (22.9°C) is the average high-temperature and 52.9°F (11.6°C) is the average low-temperature during September. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

In Howells, the average relative humidity in September is 79%.

The month with the least rainfall is September, when the rain falls for 11 days and typically collects 1.46" (37mm) of precipitation.

In September, the rain falls for 11 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

In Howells, New York, snow does not fall in June through September.

In Howells, in September, it doesn't snow. In October, it regularly snows.

In Howells, the average day length in September is 12h and 28min.

In September, on the first day of the month, 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.

In Howells, New York, the average sunshine duration in September is 8.5h.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 30min

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 30min

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).