September weather forecast
Sandusky, OH

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Weather in September

With the arrival of September in Sandusky, Ohio, USA, there comes a noticeable transition in the climate, indicating the onset of Fall. The temperatures start to decrease, symbolizing the departure of Summer. However, with no snowfall and a moderate average of 2.52" (64mm) of rainfall, the weather remains comfortable for outdoor exploration. The shorter daylight hours and a slight decrease in sunshine duration subtly hint at the approaching Winter. Summarily, September serves as a transitional phase blending the warmth of Summer and the freshness of Fall.

Temperature

September commences with an average high-temperature of a pleasant 70.7°F (21.5°C), showing little deviation from August's 75.7°F (24.3°C). Sandusky anticipates an average minimum temperature of 61°F (16.1°C) in the month of September.

Humidity

In Sandusky, the average relative humidity in September is 77%.

Rainfall

In Sandusky, Ohio, in September, it is raining for 14.4 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 160.4 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Sandusky.

Ocean temperature

In September, the average ocean temperature is 69.8°F (21°C).
Note: The majority of individuals find it unpleasurable to swim in 69.8°F (21°C). It becomes progressively harder to manage one's breathing as the water temperature falls below 69.8°F (21°C).

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:57 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:13 pm EDT.

Sunshine

The average sunshine in September is 8.2h.

UV index

In Sandusky, 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 ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Sandusky?

The high-temperature in Sandusky during September is 70.7°F (21.5°C) and the low-temperature is 61°F (16.1°C).

What is the average humidity in September?

In Sandusky, the average relative humidity in September is 77%.

How much does it rain in September?

In Sandusky, in September, it is raining for 14.4 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow?

In Sandusky, Ohio, snow does not fall in May through October.

What is the ocean temperature in September?

In September, the average ocean temperature is 69.8°F (21°C). For most, swimming in 69.8°F (21°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:57 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:13 pm EDT.

How many hours of sunshine does Sandusky have in September?

In Sandusky, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September?

In Sandusky, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sandusky, OH

Average temperature in September - Sandusky, OH
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Sandusky, OH

Average pressure in September - Sandusky, OH
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Sandusky, OH

Average wind speed in September - Sandusky, OH
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in September
Sandusky, OH

Average humidity in September - Sandusky, OH
  • Average humidity in September: 77%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in September
Sandusky, OH

Average rainfall in September - Sandusky, OH
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is June (4.41").
The driest months (with the least rainfall) are February and December (1.61").

Average rainfall days in September
Sandusky, OH

Average rainfall days in September - Sandusky, OH
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (7.8 days).

Average snowfall in September
Sandusky, OH

Average snowfall in September - Sandusky, OH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sandusky, OH

Average snowfall days in September - Sandusky, OH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in September
Sandusky, OH

Average sea temperature in September - Sandusky, OH
  • Average sea temperature in September: 70°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (34°F).

Average daylight in September /
Average sunshine in September
Sandusky, OH

Average daylight in September / Average sunshine in September - Sandusky, OH
  • 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Sandusky, OH

Average sunshine days in September - Sandusky, OH
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is February (9.6 days).

Average UV index in September
Sandusky, OH

Average UV index in September - Sandusky, OH
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Sandusky, OH

Average cloud cover in September - Sandusky, OH
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in September
Sandusky, OH

Average visibility in September - Sandusky, OH
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Sandusky, Ohio, USA

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