September weather forecast
Tillman, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Tillman, Indiana, with an average temperature fluctuating between 55.4°F (13°C) and 73.9°F (23.3°C).

Temperature

September's arrival aligns with a minor decrease in average high-temperatures, from August's 79.3°F (26.3°C) to a still moderately hot 73.9°F (23.3°C). September nights cool down to an average low-temperature of 55.4°F (13°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Tillman, during September, the rain falls for 12.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Tillman, during the entire year, the rain falls for 151.9 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Tillman, the average length of the day in September 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 7:35 am and sunset at 7:22 pm EDT.

Sunshine

The average sunshine in September is 7.9h.

UV index

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 unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In September, the average high-temperature and low-temperature are 73.9°F (23.3°C) and 55.4°F (13°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September?

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

How much does it rain in September?

In Tillman, during September, the rain falls for 12.9 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Tillman?

June through September are months without snowfall in Tillman.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Tillman have in September?

The average sunshine duration in September is 7.9h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Tillman, IN

Average temperature in September - Tillman, IN
  • Average high temperature in September: 73.9°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 (30.7°F).

  • Average low temperature in September: 55.4°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 (19.2°F).

Average pressure in September
Tillman, IN

Average pressure in September - Tillman, 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).

Average wind speed in September
Tillman, IN

Average wind speed in September - Tillman, IN
  • Average wind speed in September: 6.9mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in September
Tillman, IN

Average humidity in September - Tillman, 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 (75%).

Average rainfall in September
Tillman, IN

Average rainfall in September - Tillman, IN
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").

Average rainfall days in September
Tillman, IN

Average rainfall days in September - Tillman, IN
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in September
Tillman, IN

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

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Tillman, IN

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

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Tillman, IN

Average sunshine days in September - Tillman, IN
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).

Average UV index in September
Tillman, IN

Average UV index in September - Tillman, 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).

Average cloud cover in September
Tillman, IN

Average cloud cover in September - Tillman, IN
  • 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 33).

Average visibility in September
Tillman, IN

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

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

Tillman, Indiana, USA

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