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 shift in Alzada's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 83.1°F (28.4°C) to a still warm 73.9°F (23.3°C). In September, Alzada experiences a temperature dip to an average of 53.6°F (12°C) at night.Humidity
In September, the average relative humidity in Alzada is 48%.Rainfall
In September, the rain falls for 7.9 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Alzada, Montana, there are 100 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Alzada. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Alzada, during the entire year, snow falls for 52.1 days and aggregates up to 23.54" (598mm) of snow.Daylight
In Alzada, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:39 pm MDT.
Sunshine
In Alzada, Montana, the average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the average September temperature in Alzada?
What is the average humidity in September in Alzada?
How many days does it rain in September in Alzada?
When does it start to snow in Alzada?
How many hours of daylight does Alzada have in September?
When are sunrise and sunset in September in Alzada?
How many hours of sunshine does Alzada have in September?
What is the UV index intensity in September in Alzada?
Average temperature in September
Alzada, MT
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in September
Alzada, MT
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Alzada, MT
- Average wind speed in September: 9.1mph
The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Alzada, MT
- Average humidity in September: 48%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Alzada, MT
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Alzada, MT
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Alzada, MT
- Average snowfall in September: 0.08"
The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Alzada, MT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Alzada, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Alzada, MT
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in September
Alzada, 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
Alzada, MT
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Alzada, 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).
Alzada, Montana, USA
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