September weather forecastLoma, MT
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Loma, Montana, with an average temperature varying between 52.9°F (11.6°C) and 71.4°F (21.9°C).Temperature
September's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 82.6°F (28.1°C) in August to a pleasant 71.4°F (21.9°C). An average nighttime temperature of 52.9°F (11.6°C) is observed in Loma, Montana, during September.Humidity
In September, the average relative humidity in Loma, Montana, is 44%.Rainfall
In Loma, in September, it is raining for 6.6 days, with typically 0.47" (12mm) of accumulated precipitation. In Loma, during the entire year, the rain falls for 91 days and collects up to 6.42" (163mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Loma, Montana. Throughout September, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow. In Loma, during the entire year, snow falls for 44.2 days and aggregates up to 11.18" (284mm) of snow.Daylight
In Loma, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 6:41 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:02 pm MDT.
Sunshine
The average sunshine in September in Loma is 9.9h.UV index
In Loma, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Loma, MT
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in September
Loma, 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 (29.85"Hg).
Average wind speed in September
Loma, MT
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Loma, MT
- Average humidity in September: 44%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Loma, MT
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.28").
Average rainfall days in September
Loma, MT
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Loma, MT
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Loma, MT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Loma, MT
- Average daylight in September: 12h and 36min
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 30min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Loma, MT
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in September
Loma, MT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Loma, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Loma, 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).
