September weather forecast
Gallatin, MO

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Weather in September

The first month of the autumn, September, is still a warm month in Gallatin, Missouri, with an average temperature ranging between max 77.5°F (25.3°C) and min 57.7°F (14.3°C).

Temperature

In September, the average high-temperature marginally decreases from a moderately hot 83.5°F (28.6°C) in August to a still warm 77.5°F (25.3°C). During the nights in September, the temperature averages to a moderate 57.7°F (14.3°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Gallatin, in September, during 11.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 129.6 rainfall days, and 26.02" (661mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Gallatin.

Daylight

In Gallatin, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:44 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:59 pm CDT.

Sunshine

In Gallatin, the average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September in Gallatin is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Gallatin?

In September, the average high-temperature and low-temperature in Gallatin, Missouri, are 77.5°F (25.3°C) and 57.7°F (14.3°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in September in Gallatin?

The average relative humidity in September is 76%.

How many days does it rain in September in Gallatin?

In Gallatin, in September, during 11.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow in Gallatin?

In Gallatin, snow does not fall in June through September.

Does it snow in Gallatin in September?

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

How many hours of daylight does Gallatin have in September?

The average day length in September in Gallatin, Missouri, is 12h and 26min.

What time are sunrise and sunset in September in Gallatin?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm CDT.

How long on average sun shines in September in Gallatin?

In September, the average sunshine duration in Gallatin, Missouri, is 9.2h.

What is the UV index reading in September in Gallatin?

In Gallatin, Missouri, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Gallatin, MO

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

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in September
Gallatin, MO

Average pressure in September - Gallatin, MO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Gallatin, MO

Average wind speed in September - Gallatin, MO
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in September
Gallatin, MO

Average humidity in September - Gallatin, MO
  • Average humidity in September: 76%

The months with the highest relative humidity are May, June and July (80%).
The months with the lowest relative humidity are October and November (71%).

Average rainfall in September
Gallatin, MO

Average rainfall in September - Gallatin, MO
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is February (0.94").

Average rainfall days in September
Gallatin, MO

Average rainfall days in September - Gallatin, MO
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in September
Gallatin, MO

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

The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Gallatin, MO

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

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Gallatin, 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 1min

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 42min).

Average sunshine days in September
Gallatin, MO

Average sunshine days in September - Gallatin, MO
  • Average sunshine days in September: 17 days

The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Gallatin, MO

Average UV index in September - Gallatin, 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
Gallatin, MO

Average cloud cover in September - Gallatin, MO
  • Average cloud cover in September: 30

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Gallatin, MO

Average visibility in September - Gallatin, 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).

Gallatin, Missouri, USA

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