September weather forecast
Stendal, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Stendal, Indiana, with an average temperature ranging between min 60.1°F (15.6°C) and max 79.5°F (26.4°C).

Temperature

The transition into September shows a subtle variation to a still warm 79.5°F (26.4°C) from August's 84.7°F (29.3°C) in the average high-temperature. Stendal encounters an average low-temperature of 60.1°F (15.6°C) during September nights.

Humidity

The average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 0.79" (20mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 7:18 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:44 am and sunset at 7:32 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature during September is 79.5°F (26.4°C) and the low-temperature is 60.1°F (15.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 95°F (35°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.79" (20mm) of precipitation.

How many days does it rain in September?

In Stendal, in September, it is raining for 9.5 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow in Stendal?

May through October are months without snowfall.

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

In Stendal, the average day length in September is 12h and 25min.

What time are sunrise and sunset in September in Stendal?

On the first day of September, sunrise is at 7:18 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:32 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Stendal, IN

Average temperature in September - Stendal, IN
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in September
Stendal, IN

Average pressure in September - Stendal, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Stendal, IN

Average wind speed in September - Stendal, IN
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in September
Stendal, IN

Average humidity in September - Stendal, IN
  • Average humidity in September: 74%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Stendal, IN

Average rainfall in September - Stendal, IN
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is April (2.32").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in September
Stendal, IN

Average rainfall days in September - Stendal, IN
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Stendal, IN

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

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Stendal, IN

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

The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Stendal, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

Average sunshine days in September
Stendal, IN

Average sunshine days in September - Stendal, IN
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in September
Stendal, IN

Average UV index in September - Stendal, IN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Stendal, IN

Average cloud cover in September - Stendal, IN
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Stendal, IN

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

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

Stendal, Indiana, USA

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