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
A change in temperatures is noted as August gives way to September, with average highs reducing from a warm 82.8°F (28.2°C) to a pleasant 71.1°F (21.7°C). Nighttime temperatures in September average to a fresh 53.2°F (11.8°C) in Saco.Humidity
The average relative humidity in September in Saco is 46%.Rainfall
In Saco, during September, the rain falls for 8.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Saco, Montana, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Saco.Daylight
In Saco, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:50 pm. On the last day of September, in Saco, sunrise is at 7:08 am and sunset at 6:49 pm MDT.
Sunshine
The average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are September temperatures in Saco?
What is the average humidity in September in Saco?
How many days does it rain in September in Saco?
When it does not snow in Saco?
Does it snow in Saco in September?
How many hours of daylight does Saco have in September?
When are sunrise and sunset in September in Saco?
How many hours of sunshine does Saco have in September?
How high is the UV index in September in Saco?
Average temperature in September
Saco, MT
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).
Average pressure in September
Saco, MT
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Saco, MT
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).
Average humidity in September
Saco, MT
- Average humidity in September: 46%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Saco, MT
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in September
Saco, MT
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Saco, MT
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saco, MT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Saco, MT
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
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: 4h and 36min).
Average sunshine days in September
Saco, MT
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).
Average UV index in September
Saco, MT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Saco, MT
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in September
Saco, MT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Saco, Montana, USA
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