September weather forecastPotsdam, OH
September
Weather in September
The first month of the autumn, September, is still a warm month in Potsdam, Ohio, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 56.7°F (13.7°C).Temperature
Potsdam experiences an average high-temperature of a still warm 74.7°F (23.7°C) in September, marking an insignificant shift from 79.5°F (26.4°C) in August. Potsdam encounters a steady low-temperature average of 56.7°F (13.7°C) throughout the month of September.Humidity
In Potsdam, the average relative humidity in September is 78%.Rainfall
In Potsdam, in September, it is raining for 12.5 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 148.7 rainfall days, and 22.32" (567mm) of precipitation is accumulated.Snowfall
In Potsdam, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:21 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In Potsdam, Ohio, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Potsdam, OH
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Potsdam, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Potsdam, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Potsdam, OH
- Average humidity in September: 78%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Potsdam, OH
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in September
Potsdam, OH
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Potsdam, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Potsdam, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Potsdam, OH
- Average daylight in September: 12h and 24min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Potsdam, OH
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Potsdam, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Potsdam, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Potsdam, OH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
