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Casablanca in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Casablanca in September will be like? Take a look at our weather guide for Casablanca, based on historical data.
Check flight prices to Casablanca on Avionero:
September

Weather in Casablanca in September 2025

Good Weather
Warm
☁️
Cloudy
🌊
Comfortable water
Planning a trip to Casablanca in September? You are in luck! The weather is generally good, with an average maximum temperature of +26°C and approximately 7 sunny days. Just be prepared for some rain, as there are usually around 4 rainy days and 9 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+26°C
Avg. max. temperature
+14°C
Min.
+35°C
Max.
9 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
7 ☀️
Sunny Days
18 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Casablanca has good weather in September.

Average temperature in Casablanca in September

Here are the expected maximum, average and minimum temperatures in Casablanca for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +30°C during the day to a minimum of +17°C during the night, the temperature in September averages around +26°C.

The average maximum temperature goes up 31% by the end of the month, compared with the beginning of the month, from +26°C to +30°C.

Is Casablanca warm or cold in September?

Casablanca is typically warm in September.

Maximum temperatures go down compared to the previous month from +27°C to +26°C. The minimum temperature also goes down from +21°C to +20°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

September is one of the warmest months in Casablanca, here is the comparison with other months:

Water temperature in Casablanca in September

Water in Casablanca in September is Comfortable. It varies from +22°C to +25°C, with an average of +23°C. This is almost similar to the air temperature, which averages +26°C.

The water temperature in September is one of the warmest of the entire year:

The warmest water temperatures in Casablanca are reached in August, when the average sea temperature rises to +23°C. The coldest water temperatures are in February, with an average of +17°C.

Can you swim in Casablanca in September?

The water in Casablanca in September is pretty comfortable (+23°C in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Don’t forget a large beach towel or two for drying off.

Climate in Casablanca in September

Casablanca weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+27°C+26°C+24°C
Min. temperature
+16°C+14°C+9°C
Max. temperature
+39°C+35°C+39°C
Rainfall
1 mm9 mm28 mm
Wind
2 m/s2 m/s2 m/s
Avg. water temperature
+23°C+23°C+23°C
Humidity
78%78%78%
Air pressure
1014 HPa1015 HPa1015 HPa
Sunny days
1078
Cloudy days
201815
Rainy days
148
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +27°C in the day, the average maximum temperature lowers to +26°C. Prepare for more rain. Average rainfall goes from 1 mm to 9 mm. Humidity levels don’t change as the month goes on, averaging around 78%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 10 sunny days in August to 7 in September.

October brings much the same weather, it remains good.

Wind

Wind speed in Casablanca 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 Casablanca is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Casablanca based on historical data.
Last Year
Historical Data
Typically, there is a 3% chance of rain on an average day in September, with total rainfall of approximately 5 mm. The maximum amount of rainfall per day is around 5 mm, which is considered light rain. Casablanca is amazing in September with as little as 1 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:
Casablanca wettest month is November, where a typical day has a 30% chance of precipitation and 50 mm of rainfall per day. July, on the other hand, is the driest month with a mere 3% chance of precipitation and 0 mm of rainfall per day.

How was the weather last September in Casablanca?

This is the weather in Casablanca in September 2023:
1 September
☁️
+26°C
2 September
☁️
+24°C
3 September
☁️
+24°C
4 September
☀️
+26°C
5 September
☁️
+26°C
6 September
☁️
+26°C
7 September
☁️
+27°C
8 September
☀️
+26°C
9 September
☀️
+27°C
10 September
☁️
+26°C
11 September
☁️
+26°C
12 September
☁️
+26°C
13 September
☀️
+25°C
14 September
☁️
+26°C
15 September
☁️
+27°C
16 September
☁️
+26°C
17 September
☁️
+24°C
18 September
☁️
+25°C
19 September
☀️
+25°C
20 September
☀️
+25°C
21 September
☁️
+26°C
22 September
☁️
+23°C
23 September
☀️
+25°C
24 September
☀️
+25°C
25 September
☀️
+26°C
26 September
☀️
+26°C
27 September
☁️
+25°C
28 September
☁️
+26°C
29 September
☀️
+28°C
30 September
☀️
+30°C
In September 2023 Casablanca had 12 sunny days, 18 cloudy days, and 0 rainy days. The average maximum temperature was +26°C, with an absolute maximum of +30°C and a minimum of +23°C. The average humidity was 76%, with a maximum of 100% and a minimum of 36%. The average wind speed was 2 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Casablanca climate have been changing during last 43 years period.

The climate in Casablanca in September has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+21°C) and the highest in 2023 (+23°C). The driest year was 2023 with only 115 mm of rainfall, and the wettest year was 1996 with 653 mm.

FAQ

Frequently asked questions about the weather in Casablanca in September:

Is September a good time to visit Casablanca?

September is a really good time to go to Casablanca. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Casablanca.

Can you sunbathe in Casablanca in September?

September is warm in Casablanca. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Can you swim in Casablanca in September?

Yes, the water temperature in Casablanca in September is considered moderate and enjoyable for most people, averaging around +23°C.

Is Casablanca rainy in September?

Casablanca is usually dry in September. Plan your packing around outdoor activities and exploring.

Is it sunny in Casablanca in September?

Usually, it’s not very sunny in Casablanca in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Morocco

Check out the weather for other cities in Morocco.

Monthly weather in Casablanca

Source of the data

For this page, we’ve looked at the typical weather in Casablanca, 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.