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
The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 79.9°F (26.6°C) in August to an agreeable 68.5°F (20.3°C). In stark contrast to the day's heat, the temperature dips to an average of 41.2°F (5.1°C) during September nights.Humidity
In September, the average relative humidity is 57%.Rainfall
In September, the rain falls for 5 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. In Lolo Hot Springs, Montana, during the entire year, the rain falls for 91 days and collects up to 3.9" (99mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Lolo Hot Springs, there are 50.6 snowfall days, and 9.21" (234mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 6:59 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:19 pm MDT.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in September translates into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Lolo Hot Springs?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Lolo Hot Springs have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Lolo Hot Springs, MT
- Average high temperature in September: 68.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in September: 41.2°F
The month with the highest average low temperature is August (47.1°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in September
Lolo Hot Springs, MT
- Average pressure in September: 29.99"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
Lolo Hot Springs, MT
- Average wind speed in September: 4.3mph
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
Lolo Hot Springs, MT
- Average humidity in September: 57%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in September
Lolo Hot Springs, MT
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is April (0.51").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Lolo Hot Springs, MT
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (4 days).
Average snowfall in September
Lolo Hot Springs, MT
- Average snowfall in September: 0.2"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Lolo Hot Springs, MT
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lolo Hot Springs, MT
- Average daylight in September: 12h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Lolo Hot Springs, MT
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in September
Lolo Hot Springs, 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 November and December (UV index 1).
Average cloud cover in September
Lolo Hot Springs, MT
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in September
Lolo Hot Springs, 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).
Lolo Hot Springs, Montana, USA
Weather forecast for your location
2. Allow the app to use your location