September weather forecast
Cairo, OH

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Weather in September

September, the first month of the autumn in Cairo, is also a moderately hot month, with an average temperature fluctuating between 74.1°F (23.4°C) and 55.6°F (13.1°C).

Temperature

With the arrival of September, Cairo's average high-temperature registers at a still moderately hot 74.1°F (23.4°C), indicating a subtle variation from the previous month. Cairo, during the nights of September, experiences an average temperature drop to a refreshing 55.6°F (13.1°C).

Humidity

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

Rainfall

In September, in Cairo, the rain falls for 12.8 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 149.3 rainfall days, and 23.35" (593mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Cairo, the average length of the day in September is 12h and 27min.
On the first day of September in Cairo, Ohio, sunrise is at 7:03 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:19 pm EDT.

Sunshine

In Cairo, the average sunshine in September is 7.8h.

UV index

The average daily maximum UV index in September in Cairo is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Cairo?

An average high-temperature, in September, in Cairo, is 74.1°F (23.4°C) and the average low-temperature is 55.6°F (13.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in September in Cairo?

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

How many days does it rain in September in Cairo?

In September, in Cairo, the rain falls for 12.8 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in Cairo?

June through September are months without snowfall in Cairo.

Does it snow in Cairo in September?

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

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

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

What time are sunrise and sunset in September in Cairo?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:19 pm EDT.

How many hours of sunshine does Cairo have in September?

In Cairo, the average sunshine duration in September is 7.8h.

What is the UV index intensity in September in Cairo?

In Cairo, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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
Cairo, OH

Average temperature in September - Cairo, OH
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in September
Cairo, OH

Average pressure in September - Cairo, 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).

Average wind speed in September
Cairo, OH

Average wind speed in September - Cairo, OH
  • Average wind speed in September: 6.7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
Cairo, OH

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

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Cairo, OH

Average rainfall in September - Cairo, OH
  • Average rainfall in September: 1.57"

The wettest months (with the highest rainfall) are May and June (2.83").
The driest month (with the least rainfall) is December (1.34").

Average rainfall days in September
Cairo, OH

Average rainfall days in September - Cairo, OH
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September
Cairo, OH

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

The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Cairo, OH

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

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Cairo, 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: 7h and 5min

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 18min).

Average sunshine days in September
Cairo, OH

Average sunshine days in September - Cairo, OH
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in September
Cairo, OH

Average UV index in September - Cairo, 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
Cairo, OH

Average cloud cover in September - Cairo, OH
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in September
Cairo, OH

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

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

Cairo, Ohio, USA

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