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
September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 78.4°F (25.8°C) to a pleasant 69.6°F (20.9°C). Lostine experiences a significant downturn from peak daytime temperatures throughout September, with the average low-temperature dipping to a frosty 45.3°F (7.4°C).Humidity
In September, the average relative humidity is 53%.Rainfall
In Lostine, in September, it is raining for 8.5 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Lostine, there are 136 rainfall days, and 24.45" (621mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Lostine. September is the first month it typically snows in Lostine. Throughout September, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow. In Lostine, during the entire year, snow falls for 89.9 days and aggregates up to 68.82" (1748mm) of snow.Daylight
The average length of the day in September in Lostine, Oregon, is 12h and 31min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:26 pm. On the last day of September, in Lostine, sunrise is at 6:47 am and sunset at 6:31 pm PDT.
Sunshine
The average sunshine in September in Lostine is 10.4h.UV index
In Lostine, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in September in Lostine?
What is the average humidity in September in Lostine?
How much does it rain in Lostine in September?
When does it start to snow in Lostine?
How many hours of daylight does Lostine have in September?
What time are sunrise and sunset in September in Lostine?
How many hours of sunshine does Lostine have in September?
What is the UV index reading in September in Lostine?
Average temperature in September
Lostine, OR
- Average high temperature in September: 69.6°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in September
Lostine, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in September
Lostine, OR
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Lostine, OR
- Average humidity in September: 53%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Lostine, OR
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is July (0.83").
Average rainfall days in September
Lostine, OR
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in September
Lostine, OR
- Average snowfall in September: 0.35"
The month with the highest snowfall is February (15.98").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Lostine, OR
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Lostine, OR
- 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 August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Lostine, OR
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (8 days).
Average UV index in September
Lostine, OR
- 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 January and February (UV index 1).
Average cloud cover in September
Lostine, OR
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Lostine, OR
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Lostine, Oregon, USA
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