Weather in Imperial Beach, Imperial Beach, United States in September

So you're interested in going to Imperial Beach, Imperial Beach, United States in September

September is a warm and dry time for sunbathing in Imperial Beach. September is an excellent month for swimming in Imperial Beach with very warm sea temperatures. Consider visiting Imperial Beach in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Imperial Beach in September

The average maximum temperature in Imperial Beach in September is 24°. The average maximum temperature is 24° in the previous month and 23° in the next month.

The average temperature in Imperial Beach in September is 20°. The average temperature ranges is 21° in the previous month and 18° in the next month.

The average minimum temperature in Imperial Beach in September is 17°. The minimum temperature is 18° in the previous month and 14° in the next month.

Sunshine in Imperial Beach in September

The average day light hours per day in Imperial Beach in September are 12.4 and there are 8.8 hours of sunshine per day on average during September making it a sunny month with few clouds.

The ultraviolet index in Imperial Beach in September is typically 9.3 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Imperial Beach in September

The average sea water temperature in Imperial Beach in September is 29° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Imperial Beach in September

The average total rainfall in Imperial Beach in September is 13.9cm and on average there are 0.7 rainy days in September making it a dry time to visit the beach.

Humidity in Imperial Beach in September

The maximum dew point (an indicator of humidity) in Imperial Beach in September is 17° which is OK for most but slightly uncomfortable for some. The dew point is 17° in the previous month and 15° in the next month.

The average maximum relative humidity in Imperial Beach in September is typically 87.9%. The maximum relative humidity is 85.8% in the previous month and 87.5% in the next month.

The average relative humidity in Imperial Beach in September is typically 75.4%. The average relative humidity is 74.9% in the previous month and 71.4% in the next month.

Wind Speed in Imperial Beach in September

The average maximum wind speed in Imperial Beach in September is typically 22kmh. The average maximum wind speed is 22kmh in the previous month and 21kmh in the next month.

The average wind speed in Imperial Beach in September is typically 9kmh. The average wind speed is 9kmh in the previous month and 9kmh in the next month.

The average wind direction in Imperial Beach in September is from the West.

Monthly Averages

Suggested Beaches in September

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