Lake Arrowhead Weather in September: Temperature, Precipitation, Wind
Lake Arrowhead, United States experiences pleasant autumn conditions in September. The average temperature hovers around 17.3°C (63.1°F), creating comfortable daytime conditions for outdoor activities at popular spots like Lake Arrowhead Village and SkyPark at Santa’s Village.
Daytime temperatures peak at an average high of 24.7°C (76.5°F), while nighttime lows dip to a cool 10.6°C (51.1°F). The “feels like” temperature closely mirrors the actual temperature, with a maximum of 24.5°C (76.0°F) and a minimum of 10.6°C (51.1°F).
September in Lake Arrowhead maintains relatively low humidity levels, averaging 58.1%. Precipitation is minimal during this month, with only 0.14 inches (3.6 mm) of rainfall on average. Rain occurs on approximately 4 days throughout September, with a 13.3% probability of precipitation on any given day.
Wind conditions in Lake Arrowhead during September are moderate. Average wind speeds reach 16.2 km/h (10.1 mph), with gusts up to 33.1 km/h (20.6 mph). These breezes contribute to the area’s comfortable feel and help maintain good air quality.
Cloud cover remains low in September, averaging 22.9%. The predominantly clear skies allow for excellent visibility, averaging 15.4 km (9.6 miles). UV index levels are high at 7.9, necessitating sun protection for outdoor enthusiasts exploring the San Bernardino National Forest.
Atmospheric pressure averages 1017.7 hPa, indicating stable weather conditions. The risk of severe weather is relatively low at 11.3%. September days in Lake Arrowhead begin with sunrise at approximately 6:32 AM and end with sunset around 6:54 PM, providing ample daylight hours for enjoying the area’s natural beauty.
What is the temperature in Lake Arrowhead in September?
Average air temperature in Lake Arrowhead is 17.3°C (63.1°F) in September. The outside temperature in Lake Arrowhead feels like 17.2°C (63°F) on a typical September day. The highest average temperature during sunny days is 24.7°C (76.5°F) and feels like 24.5°C (76°F). The lowest average temperature after dark is 10.6°C (51.1°F) which feels like 10.6°C (51.1°F).
How hot is Lake Arrowhead in September?
The hot temperature in September in Lake Arrowhead rises to 30.9°C (87.6°F) on sunny days with low cloud coverage and 58.1% humidity. During hottest days of September it feels like 29.6 °C (85.3°F). The average maximum temp in Lake Arrowhead is 24.7°C (85.3°F) during day time in September.
How cold is Lake Arrowhead in September?
The coldest temp in Lake Arrowhead in September drops to 5°C (41°F) during the cold nights. With 16.2km/h (10.1mph) winds and 58.1% humidity it feels like 5°C (41°F) on the coldest nights. The average minimum temperature is 10.6°C (51.1°F) during night time in September.
Does it rain in Lake Arrowhead in September?
Yes, it rains for 4 days in Lake Arrowhead, United States in September averaging 0.14 mm of precipitation. Lake Arrowhead has a 13.3% chance for rain throughout the entire month of September.
How much does it rain in Lake Arrowhead throughout September?
Lake Arrowhead has 0.14 mm (0.01 inch) of rain per day on average in September. It rains for an average of 4 days out of the entire month.
Is Lake Arrowhead windy in September?
The average speed of wind in Lake Arrowhead, United States during September is 16.2km/h (10.1mph) and average windgust is 33.1km/h (20.6mph). On some days in September wind can reach up to 20.5km/h (12.7mph).
What is the direction of the wind in Lake Arrowhead in September?
Most days of September the wind is blowing from West-Northwest direction in Lake Arrowhead.
What are the humidity levels in Lake Arrowhead in September?
The average humidity levels in Lake Arrowhead in September are 58.1%. Daily humidity levels in Lake Arrowhead range from 44.5% to 76.4% during September.
How many hours of daylight are in Lake Arrowhead in September?
Lake Arrowhead has 12 hours 22 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Lake Arrowhead in September is at 6:32:12 and the sunset is at 18:54:54.
What is the cloud coverage in Lake Arrowhead in September?
Clouds cover 22.9% of the sky on average throughout September in Lake Arrowhead. The cloud coverage ranges from 0% to 69.9% depending on the day of the month.
What is the UV level in September in Lake Arrowhead?
The average UV index in Lake Arrowhead is 7.9 in September. UV levels change throughout the month and range from 1 to 10.
What is the solar radiation in Lake Arrowhead in September?
The average solar radiation is 185 W/m2 (Watts per square meter) in Lake Arrowhead during September. However solar radiation levels change throughout the month and range from 18.4 W/m2 to 234.5 W/m2.
What is the solar energy during September in Lake Arrowhead?
The average solar energy during September in Lake Arrowhead is 16 MJ/m2 (megajoules per square metre). Solar energy ranges from 1.4 MJ/m2, to 20.4 MJ/m2 during September.
Are there severe weather risks in Lake Arrowhead in September?
Yes, there is a 11.3% risk for severe weather in Lake Arrowhead, United States in September.
What is the air pressure in Lake Arrowhead in September?
On average the air pressure in Lake Arrowhead in September is 1017.7 mb (millibars). Throughout the month the sea level pressure ranges from 1011.6 mb to 1021.4 mb.
What is the visibility in Lake Arrowhead in September?
The average daylight visibility in Lake Arrowhead in September is 15.4 km (9.6 miles). Depending on the precipitation the visibility ranges from 12.7 km (7.9 miles) to 16 km (9.9 miles) throughout September.
What is the dew point in Lake Arrowhead in September?
The average dew point in Lake Arrowhead during September is 7.9°C (46.2°F).
Where is the data for Lake Arrowhead climate in September coming from?
The climate data for Lake Arrowhead, California, United States in September is collected from the following weather stations.
- MARCH AFB, CA US
- RIVERSIDE MUNICIPAL AIRPORT, CA US
- BIG BEAR CITY AIRPORT, CA US
- KL35
- KRAL
- KRIV
- SCE Crest Park CA US SC-EDISON