September weather forecast
Tiffin, OH

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Weather in September

September, the first month of the autumn in Tiffin, is also an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 56.1°F (13.4°C).

Temperature

September's arrival brings an average high-temperature of an agreeable 73°F (22.8°C), demonstrating subtle variation from the preceding month. Tiffin, in September, experiences an average temperature of 56.1°F (13.4°C) at night.

Humidity

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

Rainfall

In September, the rain falls for 14.8 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Tiffin, during the entire year, the rain falls for 172.5 days and collects up to 29.88" (759mm) of precipitation.

Snowfall

June through September are months without snowfall in Tiffin.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 7:00 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:15 pm EDT.

Sunshine

In September, the average sunshine is 8h.

UV index

In Tiffin, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the usual temperature for Tiffin in September?

In September, the average high-temperature and low-temperature are 73°F (22.8°C) and 56.1°F (13.4°C) respectively.

What is the average humidity in September in Tiffin?

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

How many days does it rain in September in Tiffin?

In Tiffin, in September, it is raining for 14.8 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Tiffin?

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

Does it snow in Tiffin in September?

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

How many hours of daylight does Tiffin have in September?

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

What time are sunrise and sunset in September in Tiffin?

On the first day of September, sunrise is at 7:00 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:15 pm EDT.

How long on average sun shines in September in Tiffin?

The average sunshine duration in September in Tiffin is 8h.

What is the UV index reading in September in Tiffin?

In Tiffin, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Tiffin, OH

Average temperature in September - Tiffin, OH
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in September: 56.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in September
Tiffin, OH

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Tiffin, OH

Average wind speed in September - Tiffin, OH
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

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Average humidity in September
Tiffin, OH

Average humidity in September - Tiffin, OH
  • Average humidity in September: 79%

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

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Average rainfall in September
Tiffin, OH

Average rainfall in September - Tiffin, OH
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (1.81").

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Average rainfall days in September
Tiffin, OH

Average rainfall days in September - Tiffin, OH
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in September
Tiffin, OH

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

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Tiffin, OH

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

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Tiffin, 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 18min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in September
Tiffin, OH

Average sunshine days in September - Tiffin, OH
  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is November (15 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in September
Tiffin, OH

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

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

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Average cloud cover in September
Tiffin, OH

Average cloud cover in September - Tiffin, OH
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 31).

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Average visibility in September
Tiffin, OH

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

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

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Tiffin, Ohio, USA

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