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
September's arrival correlates with a reduction in the average high-temperature, down from a warm 77°F (25°C) in August to a comfortable 66.2°F (19°C). September nights in Saltese bring a significant cooling from the heat of the day, with averages of 40.1°F (4.5°C).Humidity
In Saltese, the average relative humidity in September is 63%.Rainfall
In Saltese, Montana, in September, during 8.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Saltese, there are 88.5 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Saltese, Montana. Throughout September, in the average 1 snowfall days, it receives 0.43" (11mm) of snow. In Saltese, during the entire year, snow falls for 133.2 days and aggregates up to 146.61" (3724mm) of snow.Daylight
In Saltese, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:21 pm. On the last day of September, in Saltese, Montana, sunrise is at 7:40 am and sunset at 7:22 pm MDT.
Sunshine
In Saltese, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Saltese, Montana, is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Saltese?
What is the average humidity in September in Saltese?
How many days does it rain in September in Saltese?
When does it start to snow in Saltese?
How many hours of daylight does Saltese have in September?
When are sunrise and sunset in September in Saltese?
How long on average sun shines in September in Saltese?
What is the UV index reading in September in Saltese?
Average temperature in September
Saltese, MT
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in September: 40.1°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (16.9°F).
Average pressure in September
Saltese, MT
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in September
Saltese, MT
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).
Average humidity in September
Saltese, MT
- Average humidity in September: 63%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (54%).
Average rainfall in September
Saltese, MT
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is January (3.58").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in September
Saltese, MT
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (13.3 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in September
Saltese, MT
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (29.53").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Saltese, MT
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is March (22.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Saltese, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Saltese, MT
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in September
Saltese, MT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Saltese, MT
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in September
Saltese, MT
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Saltese, Montana, USA
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