September weather forecast
Ceylon, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Ceylon, Indiana, with an average temperature ranging between min 55.8°F (13.2°C) and max 73.9°F (23.3°C).

Temperature

August's transformation into September witnesses an average high-temperature of a still warm 73.9°F (23.3°C), noting a minor change from the preceding month. During September, Ceylon observes a consistent average nighttime temperature of 55.8°F (13.2°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Ceylon, in September, it is raining for 11.3 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 130.2 rainfall days, and 14.8" (376mm) of precipitation is accumulated.

Snowfall

In Ceylon, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of the month, sunrise is at 7:07 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:23 pm EDT.

Sunshine

The average sunshine in September is 8h.

UV index

In Ceylon, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Ceylon in September?

The high-temperature during September is 73.9°F (23.3°C) and the low-temperature is 55.8°F (13.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is appraised at 87.8°F (31°C).

What is the average humidity in September in Ceylon?

In September, the average relative humidity is 79%.

How many days does it rain in September?

In September, the rain falls for 11.3 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When it does not snow?

In Ceylon, snow does not fall in May through September.

Does it snow in September?

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

How many hours of daylight does Ceylon have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:07 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.

How long on average sun shines in September in Ceylon?

In Ceylon, the average sunshine duration in September is 8h.

How high is the UV index in September?

In Ceylon, Indiana, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Ceylon, IN

Average temperature in September - Ceylon, IN
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 55.8°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 (19.8°F).

Average pressure in September
Ceylon, IN

Average pressure in September - Ceylon, IN
  • Average pressure in September: 30.03"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
Ceylon, IN

Average wind speed in September - Ceylon, IN
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
Ceylon, IN

Average humidity in September - Ceylon, IN
  • Average humidity in September: 79%

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

Average rainfall in September
Ceylon, IN

Average rainfall in September - Ceylon, IN
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in September
Ceylon, IN

Average rainfall days in September - Ceylon, IN
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in September
Ceylon, IN

Average snowfall in September - Ceylon, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Ceylon, IN

Average snowfall days in September - Ceylon, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ceylon, IN

Average daylight in September / Average sunshine in September - Ceylon, IN
  • 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 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 30min).

Average sunshine days in September
Ceylon, IN

Average sunshine days in September - Ceylon, IN
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in September
Ceylon, IN

Average UV index in September - Ceylon, IN
  • 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
Ceylon, IN

Average cloud cover in September - Ceylon, IN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in September
Ceylon, IN

Average visibility in September - Ceylon, IN
  • 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).

Ceylon, Indiana, USA

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