September weather forecast
Amsterdam, OH

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Weather in September

September, the first month of the autumn in Amsterdam, is still a warm month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 54.9°F (12.7°C).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 81°F (27.2°C) in August to a still warm 74.7°F (23.7°C). During the month of September, the nighttime temperature falls to an average of 54.9°F (12.7°C).

Humidity

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

Rainfall

September is the month with the least rainfall in Amsterdam. Rain falls for 14.3 days and accumulates 2.13" (54mm) of precipitation.

Snowfall

June through September are months without snowfall in Amsterdam.

Daylight

In Amsterdam, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:51 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:07 pm EDT.

Sunshine

In September, the average sunshine in Amsterdam is 8.2h.

UV index

The average daily maximum UV index in September in Amsterdam is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What is the usual temperature for Amsterdam in September?

An average high-temperature, in September, in Amsterdam, is 74.7°F (23.7°C) and the average low-temperature is 54.9°F (12.7°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in September in Amsterdam?

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

What is the driest month in Amsterdam?

The month with the least rainfall in Amsterdam, Ohio, is September, when the rain falls for 14.3 days and typically collects 2.13" (54mm) of precipitation.

How many days does it rain in September in Amsterdam?

In Amsterdam, Ohio, during September, the rain falls for 14.3 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Amsterdam?

In Amsterdam, Ohio, snow does not fall in June through September.

Does it snow in Amsterdam in September?

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

What is the average length of the day in September in Amsterdam?

The average day length in September in Amsterdam is 12h and 27min.

When are sunrise and sunset in September in Amsterdam?

On the first day of September, sunrise is at 6:51 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:07 pm EDT.

How long on average sun shines in September in Amsterdam?

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

How high is the UV index in September in Amsterdam?

In September, the average daily maximum UV index in Amsterdam, Ohio, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Amsterdam, OH

Average temperature in September - Amsterdam, OH
  • Average high temperature in September: 74.7°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 (32.4°F).

  • Average low temperature in September: 54.9°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in September
Amsterdam, OH

Average pressure in September - Amsterdam, OH
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Amsterdam, OH

Average wind speed in September - Amsterdam, OH
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in September
Amsterdam, OH

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

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in September
Amsterdam, OH

Average rainfall in September - Amsterdam, OH
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in September
Amsterdam, OH

Average rainfall days in September - Amsterdam, OH
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in September
Amsterdam, OH

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

The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Amsterdam, OH

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

The month with the highest number of snowfall days is January (16.4 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
Amsterdam, OH

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

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in September
Amsterdam, OH

Average sunshine days in September - Amsterdam, OH
  • Average sunshine days in September: 13 days

The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.7 days).

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Average UV index in September
Amsterdam, OH

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

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

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Average cloud cover in September
Amsterdam, OH

Average cloud cover in September - Amsterdam, OH
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in September
Amsterdam, OH

Average visibility in September - Amsterdam, OH
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

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Amsterdam, Ohio, USA

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