September weather forecast
Antelope, MT

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Weather in September

September, the first month of the autumn in Antelope, is still a pleasant month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 70°F (21.1°C).

Temperature

The move into September indicates a reduction in the average high-temperature, down from August's moderately hot 81.3°F (27.4°C) to an agreeable 70°F (21.1°C). Throughout September, Antelope records an average temperature of 52.3°F (11.3°C) at night.

Humidity

In Antelope, the average relative humidity in September is 50%.

Rainfall

In Antelope, Montana, in September, during 8.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Antelope, there are 93.3 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Antelope is 12h and 34min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:39 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:38 pm MDT.

Sunshine

The average sunshine in September is 9.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions - Protection against sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the temperature in September in Antelope?

In Antelope, 70°F (21.1°C) is the average high-temperature and 52.3°F (11.3°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 82.4°F (28°C).

What is the average humidity in September in Antelope?

In September, the average relative humidity is 50%.

How many days does it rain in September in Antelope?

In September, in Antelope, Montana, the rain falls for 8.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Antelope?

June through September are months without snowfall in Antelope.

Does it snow in Antelope in September?

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

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

In September, the average day length in Antelope, Montana, is 12h and 34min.

What time are sunrise and sunset in September in Antelope?

On the first day of September in Antelope, sunrise is at 6:16 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:38 pm MDT.

How many hours of sunshine does Antelope have in September?

In Antelope, the average sunshine duration in September is 9.9h.

What is the UV index reading in September in Antelope?

In September, the average daily maximum UV index in Antelope is 4. A UV Index reading of 3 to 5 represents 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
Antelope, MT

Average temperature in September - Antelope, MT
  • Average high temperature in September: 70°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).

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Average pressure in September
Antelope, MT

Average pressure in September - Antelope, MT
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Antelope, MT

Average wind speed in September - Antelope, MT
  • Average wind speed in September: 10.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).

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Average humidity in September
Antelope, MT

Average humidity in September - Antelope, MT
  • Average humidity in September: 50%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in September
Antelope, MT

Average rainfall in September - Antelope, MT
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in September
Antelope, MT

Average rainfall days in September - Antelope, MT
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in September
Antelope, MT

Average snowfall in September - Antelope, MT
  • Average snowfall in September: 0"

The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Antelope, MT

Average snowfall days in September - Antelope, MT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Antelope, MT

Average daylight in September / Average sunshine in September - Antelope, MT
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in September
Antelope, MT

Average sunshine days in September - Antelope, MT
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).

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Average UV index in September
Antelope, MT

Average UV index in September - Antelope, MT
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in September
Antelope, MT

Average cloud cover in September - Antelope, MT
  • Average cloud cover in September: 26

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in September
Antelope, MT

Average visibility in September - Antelope, MT
  • Average visibility in September: 6mi

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

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Antelope, Montana, USA

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