September is an ideal time to visit Long Beach if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +82°F and about 14 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 5 mm of precipitation over an average of 2 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flightsin one click on Avionero.
Average weather
☀️
+82°F
Avg. max. temperature
+55°F
Min.
+108°F
Max.
5 mm
Total precipitation
70%
Avg. humidity
1 m/s
Avg. wind
14 ☀️
Sunny Days
13 ⛅️
Cloudy
2 🌦
Rainy
Our opinion: Long Beach has great weather in September.
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Average temperature in Long Beach in September
Here are the expected maximum, average and minimum temperatures in Long Beach for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +90°F during the day to a minimum of +61°F during the night, the temperature in September averages around +77°F.
The average maximum temperature goes down 25% by the end of the month, compared with the beginning of the month, from +79°F to +72°F.
Is Long Beach warm or cold in September?
Long Beach is typically warm in September.
Maximum temperatures go down compared to the previous month from +84°F to +82°F. The minimum temperature also goes down from +66°F to +64°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Long Beach, here is the comparison with other months:
Climate in Long Beach in September
Long Beach weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+84°F
+82°F
+77°F
Min. temperature
+59°F
+55°F
+48°F
Max. temperature
+102°F
+108°F
+106°F
Rainfall
3 mm
5 mm
15 mm
Wind
2 m/s
1 m/s
1 m/s
Humidity
71%
70%
69%
Air pressure
1011 HPa
1011 HPa
1013 HPa
Sunny days
16
14
13
Cloudy days
14
13
14
Rainy days
1
2
4
Snowy days
0
0
0
September weather is still as great as in August.It’s getting colder in September. From +84°F in the day, the average maximum temperature lowers to +82°F.Prepare for more rain. Average rainfall goes from 3 mm to 5 mm.It feels drier, as humidity decreases from 71% to 70%.Winds are calmer in comparison to August, going down from 2 m/s to 1 m/s on average.The days becoming less sunny, going from 16 sunny days in August to 14 in September.
October brings much the same weather, it remains great.
Wind speed in Long Beach in September based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Long Beach is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Long Beach based on historical data.
Last Year
Historical Data
Typically, there is a 10% chance of rain on an average day in September, with total rainfall of approximately 7 mm. The maximum amount of rainfall per day is around 5 mm, which is considered light rain.Long Beach is amazing in September with as little as 3 rainy days on average, so plan adventures in the great outdoors.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Long Beach wettest month is February, where a typical day has a 32% chance of precipitation and 85 mm of rainfall per day. June, on the other hand, is the driest month with a mere 3% chance of precipitation and 2 mm of rainfall per day.
How was the weather last September in Long Beach?
This is the weather in Long Beach in September 2024:
1 September
☁️
+79°F
2 September
🌧️
+78°F
3 September
☁️
+78°F
4 September
☀️
+76°F
5 September
☀️
+76°F
6 September
☁️
+79°F
7 September
☀️
+81°F
8 September
☀️
+90°F
9 September
☀️
+89°F
10 September
☀️
+83°F
11 September
☀️
+85°F
12 September
☀️
+80°F
13 September
☀️
+76°F
14 September
☀️
+75°F
15 September
☀️
+75°F
16 September
☁️
+73°F
17 September
☁️
+73°F
18 September
☁️
+75°F
19 September
☀️
+74°F
20 September
☁️
+75°F
21 September
☀️
+72°F
22 September
☀️
+72°F
23 September
☀️
+75°F
24 September
☀️
+76°F
25 September
☀️
+74°F
26 September
☀️
+79°F
27 September
☀️
+79°F
28 September
☀️
+78°F
29 September
☁️
+72°F
30 September
☁️
+71°F
In September 2024 Long Beach had 20 sunny days, 9 cloudy days, and 1 rainy days. The average maximum temperature was +77°F, with an absolute maximum of +90°F and a minimum of +72°F. The average humidity was 77%, with a maximum of 97% and a minimum of 29%. The average wind speed was 2 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Long Beach climate has changed over the last 43 years.
The climate in Long Beach in September has not changed that much over the last 43 years.
The average temperature was the lowest in 2001 (+72°F) and the highest in 2015 (+77°F). The driest year was 1989 with only 123 mm of rainfall, and the wettest year was 2023 with 918 mm.
FAQ
Frequently asked questions about the weather in Long Beach in September:
Is September a good time to visit Long Beach?
Yes, September is a great time to go to Long Beach, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Long Beach.
Can you sunbathe in Long Beach in September?
September is warm in Long Beach. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Long Beach rainy in September?
Long Beach is usually dry in September. Plan your packing around outdoor activities and exploring.
Is it sunny in Long Beach in September?
The amount of sunny days in Long Beach during September varies; prepare for a mix of clouds and sun.
For this page, we’ve looked at the typical weather in Long Beach, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
