September weather forecastLockwood, MT
September
Weather in September
September, the first month of the autumn in Lockwood, is still a pleasant month, with an average temperature fluctuating between 52.5°F (11.4°C) and 73.2°F (22.9°C).Temperature
In Lockwood, the average high-temperature in September decreases from a moderately hot 83.1°F (28.4°C) in August to an agreeable 73.2°F (22.9°C). September generally records an average low-temperature of 52.5°F (11.4°C).Humidity
In September, the average relative humidity is 44%.Rainfall
In Lockwood, in September, it is raining for 9.1 days, with typically 0.98" (25mm) of accumulated precipitation. In Lockwood, during the entire year, the rain falls for 128.5 days and collects up to 14.69" (373mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Lockwood. September is the first month it typically snows in Lockwood. Throughout September, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Lockwood, during the entire year, snow falls for 64.5 days and aggregates up to 31.18" (792mm) of snow.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:51 pm. On the last day of September, in Lockwood, Montana, sunrise is at 7:11 am and sunset at 6:54 pm MDT.
Sunshine
In September, the average sunshine in Lockwood is 10.3h.UV index
In September, the average daily maximum UV index in Lockwood is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lockwood, MT
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in September
Lockwood, MT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Lockwood, MT
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Lockwood, MT
- Average humidity in September: 44%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in September
Lockwood, MT
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in September
Lockwood, MT
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Lockwood, MT
- Average snowfall in September: 0.12"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Lockwood, MT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lockwood, MT
- Average daylight in September: 12h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Lockwood, MT
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).
Average UV index in September
Lockwood, 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, November and December (UV index 2).
Average cloud cover in September
Lockwood, MT
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in September
Lockwood, 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).
