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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from 81.9°F (27.7°C) in August to a still moderately hot 75°F (23.9°C). Port Washington records an average nighttime low-temperature of 55.2°F (12.9°C) throughout September.Humidity
In Port Washington, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.81" (46mm) of precipitation.Snowfall
June through October are months without snowfall in Port Washington.Daylight
The average length of the day in September in Port Washington is 12h and 27min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September in Port Washington, Ohio, is 8.4h.UV index
In September, the average daily maximum UV index in Port Washington is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in Port Washington in September?
What is the average humidity in September in Port Washington?
What is the driest month in Port Washington?
How many days does it rain in September in Port Washington?
When it does not snow in Port Washington?
What is the average length of the day in September in Port Washington?
When is the sunrise / sunset in September in Port Washington?
How many hours of sunshine does Port Washington have in September?
What is the UV index reading in September in Port Washington?
Average temperature in September
Port Washington, OH
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Port Washington, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Port Washington, OH
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Port Washington, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, August and November (77%).
Average rainfall in September
Port Washington, OH
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Port Washington, OH
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Port Washington, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Port Washington, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Port Washington, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Port Washington, OH
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Port Washington, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Port Washington, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Port Washington, OH
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Port Washington, Ohio, USA
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