September weather forecast
Savannah, MO

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Weather in September

September, the first month of the autumn in Savannah, is still a warm month, with an average temperature varying between 77.5°F (25.3°C) and 57.9°F (14.4°C).

Temperature

Savannah in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 83.8°F (28.8°C) to a still moderately hot 77.5°F (25.3°C). Savannah observes an average low-temperature of 57.9°F (14.4°C) during September.

Humidity

In Savannah, the average relative humidity in September is 75%.

Rainfall

In Savannah, during September, the rain falls for 12.2 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Savannah, during the entire year, the rain falls for 132.3 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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, in September, in Savannah, is 77.5°F (25.3°C), while the low-temperature averages to 57.9°F (14.4°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 estimated at 93.2°F (34°C).

What is the average humidity in September?

In Savannah, the average relative humidity in September is 75%.

How many days does it rain in September?

In September, in Savannah, Missouri, the rain falls for 12.2 days. Throughout September, 2.4" (61mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm CDT.

How many hours of sunshine does Savannah have in September?

The average sunshine duration in September is 9.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Savannah, MO

Average temperature in September - Savannah, MO
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in September: 57.9°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 (20.3°F).

Average pressure in September
Savannah, MO

Average pressure in September - Savannah, MO
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Savannah, MO

Average wind speed in September - Savannah, MO
  • Average wind speed in September: 7.4mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in September
Savannah, MO

Average humidity in September - Savannah, MO
  • Average humidity in September: 75%

The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are October and November (70%).

Average rainfall in September
Savannah, MO

Average rainfall in September - Savannah, MO
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January and February (0.94").

Average rainfall days in September
Savannah, MO

Average rainfall days in September - Savannah, MO
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in September
Savannah, MO

Average snowfall in September - Savannah, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Savannah, MO

Average snowfall days in September - Savannah, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Savannah, MO

Average daylight in September / Average sunshine in September - Savannah, MO
  • 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 24min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in September
Savannah, MO

Average sunshine days in September - Savannah, MO
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in September
Savannah, MO

Average UV index in September - Savannah, MO
  • Average UV index in September: 5

The months with the highest UV index are 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
Savannah, MO

Average cloud cover in September - Savannah, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Savannah, MO

Average visibility in September - Savannah, MO
  • 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).

Savannah, Missouri, USA

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