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
Ashland's weather in September involves a decrease in the average high-temperature, moving down from August's 83.3°F (28.5°C) to a still moderately hot 73.8°F (23.2°C). During September nights, Ashland records an average temperature of 53.2°F (11.8°C).Humidity
The average relative humidity in September in Ashland is 45%.Rainfall
In September, in Ashland, the rain falls for 10.3 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. In Ashland, during the entire year, the rain falls for 113.9 days and collects up to 14.84" (377mm) of precipitation.Snowfall
Months with snowfall in Ashland are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Ashland, there are 55.2 snowfall days, and 23.5" (597mm) of snow is accumulated.Daylight
In September, the average length of the day in Ashland is 12h and 31min.On the first day of September in Ashland, Montana, sunrise is at 6:27 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:46 pm MDT.
Sunshine
In Ashland, the average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September in Ashland is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are September temperatures in Ashland?
What is the average humidity in September in Ashland?
How much does it rain in Ashland in September?
When does it start to snow in Ashland?
What is the average length of the day in September in Ashland?
When are sunrise and sunset in September in Ashland?
How many hours of sunshine does Ashland have in September?
How high is the UV index in September in Ashland?
Average temperature in September
Ashland, MT
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Ashland, MT
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Ashland, MT
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Ashland, MT
- Average humidity in September: 45%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Ashland, MT
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in September
Ashland, MT
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Ashland, MT
- Average snowfall in September: 0.16"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Ashland, MT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ashland, 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 2min
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 0min).
Average sunshine days in September
Ashland, MT
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Ashland, 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, April, November and December (UV index 2).
Average cloud cover in September
Ashland, MT
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Ashland, 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).
Ashland, Montana, USA
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