September weather forecast
Ellisville, IN

Share

Weather in September

September imbues Ellisville, Indiana with noticeable hints of autumn. The reduction in daylight hours and gradual cooling of temperatures mark a transition towards the season. Vivid fall colors start their early bloom, intensifying the city's aesthetic appeal. Among significant changes, average temperatures lower from 73.8°F (23.2°C) to 55.8°F (13.2°C) indicating the autumn's onset. With the festivities around Labor Day, this time of the year carries a unique charm and zeal.

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a still moderately hot 73.8°F (23.2°C) from August's 79.3°F (26.3°C). The low-temperature in Ellisville averages to a refreshing 55.8°F (13.2°C) during the nights of September.

Humidity

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

Rainfall

In Ellisville, in September, it is raining for 10.8 days, with typically 0.87" (22mm) of accumulated precipitation. In Ellisville, Indiana, during the entire year, the rain falls for 125.6 days and collects up to 12.8" (325mm) of precipitation.

Snowfall

June through September are months without snowfall in Ellisville.

Daylight

In Ellisville, the average length of the day in September is 12h and 27min.
On the first day of September in Ellisville, sunrise is at 7:08 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:24 pm EDT.

Sunshine

In September, the average sunshine in Ellisville is 8h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
[Resources]

Frequently asked questions

What is the temperature in September in Ellisville?

The average high-temperature, in September, in Ellisville, is 73.8°F (23.2°C), while the average low-temperature is 55.8°F (13.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in September in Ellisville?

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

How much does it rain in Ellisville in September?

In Ellisville, Indiana, in September, it is raining for 10.8 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Ellisville?

June through September are months without snowfall in Ellisville, Indiana.

Does it snow in Ellisville in September?

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

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

In September, the average day length in Ellisville, Indiana, is 12h and 27min.

When are sunrise and sunset in September in Ellisville?

On the first day of September in Ellisville, sunrise is at 7:08 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:24 pm EDT.

How many hours of sunshine does Ellisville have in September?

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

What is the UV index intensity in September in Ellisville?

The average daily maximum UV index in September in Ellisville is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Ellisville, IN

Average temperature in September - Ellisville, IN
  • Average high temperature in September: 73.8°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 (30.9°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

[Resources]

Average pressure in September
Ellisville, IN

Average pressure in September - Ellisville, IN
  • Average pressure in September: 30.04"Hg

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

[Resources]

Average wind speed in September
Ellisville, IN

Average wind speed in September - Ellisville, IN
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

[Resources]

Average humidity in September
Ellisville, IN

Average humidity in September - Ellisville, IN
  • 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 (74%).

[Resources]

Average rainfall in September
Ellisville, IN

Average rainfall in September - Ellisville, IN
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is February (0.63").

[Resources]

Average rainfall days in September
Ellisville, IN

Average rainfall days in September - Ellisville, IN
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (5.8 days).

[Resources]

Average snowfall in September
Ellisville, IN

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

The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Ellisville, IN

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Ellisville, IN
  • 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

[Resources]

Average sunshine days in September
Ellisville, IN

Average sunshine days in September - Ellisville, IN
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (12.8 days).

[Resources]

Average UV index in September
Ellisville, IN

Average UV index in September - Ellisville, IN
  • Average UV index in September: 4

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

[Resources]

Average cloud cover in September
Ellisville, IN

Average cloud cover in September - Ellisville, IN
  • Average cloud cover in September: 36

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

[Resources]

Average visibility in September
Ellisville, IN

Average visibility in September - Ellisville, IN
  • Average visibility in September: 6mi

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

[Resources]

Ellisville, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location