Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the transition into September, Sanders observes a decrease in the average high-temperature, falling from 84.6°F (29.2°C) in August to a still warm 74.5°F (23.6°C). Sanders, in the month of September, anticipates a consistent average low-temperature of 54.9°F (12.7°C).Humidity
In Sanders, the average relative humidity in September is 43%.Rainfall
In Sanders, in September, it is raining for 7.9 days, with typically 1.26" (32mm) of accumulated precipitation. In Sanders, Montana, during the entire year, the rain falls for 99.5 days and collects up to 11.06" (281mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Sanders. September is the first month it typically snows in Sanders. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Sanders, during the entire year, snow falls for 47 days and aggregates up to 15.83" (402mm) of snow.Daylight
The average length of the day in September in Sanders is 12h and 32min.On the first day of September in Sanders, sunrise is at 6:29 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:49 pm MDT.
Sunshine
In Sanders, the average sunshine in September is 10.4h.UV index
In September, the average daily maximum UV index in Sanders is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the usual temperature for Sanders in September?
What is the average humidity in September in Sanders?
How much does it rain in Sanders in September?
When does it start snowing in Sanders?
How many hours of daylight does Sanders have in September?
What time are sunrise and sunset in September in Sanders?
How many hours of sunshine does Sanders have in September?
What is the UV index reading in September in Sanders?
Average temperature in September
Sanders, MT
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (30.9°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Sanders, MT
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Sanders, MT
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in September
Sanders, MT
- Average humidity in September: 43%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Sanders, MT
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (1.81").
The driest months (with the least rainfall) are January, November and December (0.47").
Average rainfall days in September
Sanders, MT
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Sanders, MT
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Sanders, MT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Sanders, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Sanders, MT
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in September
Sanders, MT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Sanders, MT
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in September
Sanders, MT
- 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).
Sanders, Montana, USA
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