September weather forecastOrchard Homes, MT
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Orchard Homes, Montana, with an average temperature fluctuating between 41°F (5°C) and 68.7°F (20.4°C).Temperature
Orchard Homes experiences a temperature shift at the start of September, with average high-temperatures adjusting from a warm 79.7°F (26.5°C) in August to a pleasant 68.7°F (20.4°C). The nighttime temperature shows a significant divergence from the daytime highs, averaging at an icy 41°F (5°C) in September.Humidity
In September, the average relative humidity is 58%.Rainfall
In Orchard Homes, during September, the rain falls for 4.2 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, in Orchard Homes, there are 67.5 rainfall days, and 3.27" (83mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Orchard Homes, during the entire year, snow falls for 44 days and aggregates up to 8.07" (205mm) of snow.Daylight
In September, the average length of the day in Orchard Homes is 12h and 32min.On the first day of the month, sunrise is at 6:56 am and sunset at 8:14 pm. On the last day of September, in Orchard Homes, sunrise is at 7:34 am and sunset at 7:17 pm MDT.
Sunshine
In Orchard Homes, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Orchard Homes, MT
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in September: 41°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).
Average pressure in September
Orchard Homes, MT
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Orchard Homes, MT
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Orchard Homes, MT
- Average humidity in September: 58%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (50%).
Average rainfall in September
Orchard Homes, MT
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is April (0.47").
The driest months (with the least rainfall) are July and December (0.16").
Average rainfall days in September
Orchard Homes, MT
- Average rainfall days in September: 4.2 days
The month with the highest number of rainy days is April (8.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Orchard Homes, MT
- Average snowfall in September: 0.2"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Orchard Homes, MT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Orchard Homes, MT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Orchard Homes, MT
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in September
Orchard Homes, MT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Orchard Homes, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Orchard Homes, MT
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
