If you plan to visit Penang in September, the weather is typically alright, with an average high temperature of +30°C during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 11 rainy days in the month and around 216 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
September is usually the coldest month of the year in Penang;
Average weather
☀️
+30°C
Avg. max. temperature
+22°C
Min.
+34°C
Max.
216 mm
Total precipitation
82%
Avg. humidity
1 m/s
Avg. wind
0 ☀️
Sunny Days
1 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Penang has OK weather in September.
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Average temperature in Penang in September
Here are the expected maximum, average and minimum temperatures in Penang for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +33°C during the day to a minimum of +24°C during the night, the temperature in September averages around +31°C.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +31°C to +32°C.
Is Penang warm or cold in September?
Penang is typically warm in September.
Maximum temperatures go down compared to the previous month from +31°C to +30°C. The minimum temperature also goes up from +25°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is the coldest month in Penang, here is the comparison with other months:
Climate in Penang in September
Penang weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+31°C
+30°C
+30°C
Min. temperature
+23°C
+22°C
+23°C
Max. temperature
+34°C
+34°C
+34°C
Rainfall
176 mm
216 mm
298 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
81%
82%
83%
Air pressure
1008 HPa
1009 HPa
1009 HPa
Sunny days
0
0
0
Cloudy days
3
1
1
Rainy days
13
11
11
Snowy days
0
0
0
September weather is still as ok as in August.It’s getting colder in September. From +31°C in the day, the average maximum temperature lowers to +30°C.Prepare for more rain. Average rainfall goes from 176 mm to 216 mm.Humidity rises from 81% to 82%.The average wind speed doesn’t change much during September, staying around 1 m/s.The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind speed in Penang 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 Penang 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 Penang based on historical data.
Last Year
Historical Data
Typically, there is a 90% chance of rain on an average day in September, with total rainfall of approximately 260 mm. The maximum amount of rainfall per day is around 30 mm, which is moderate rain.September is a pretty wet month with over 27 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
September is one of the rainiest months in Penang, here is a comparison with other months, total mm:
Penang wettest month is October, where a typical day has a 35% chance of precipitation and 298 mm of rainfall per day. February, on the other hand, is the driest month with a mere 50% chance of precipitation and 91 mm of rainfall per day.
How was the weather last September in Penang?
This is the weather in Penang in September 2024:
1 September
🌧️
+31°C
2 September
☀️
+31°C
3 September
☀️
+31°C
4 September
🌧️
+29°C
5 September
🌧️
+30°C
6 September
☀️
+31°C
7 September
☀️
+31°C
8 September
☀️
+31°C
9 September
🌧️
+30°C
10 September
☀️
+29°C
11 September
☀️
+31°C
12 September
☀️
+32°C
13 September
☀️
+32°C
14 September
☀️
+32°C
15 September
🌧️
+30°C
16 September
☀️
+32°C
17 September
🌧️
+30°C
18 September
☀️
+32°C
19 September
🌧️
+32°C
20 September
🌧️
+31°C
21 September
🌧️
+30°C
22 September
🌧️
+30°C
23 September
🌧️
+30°C
24 September
🌧️
+29°C
25 September
🌧️
+27°C
26 September
☀️
+30°C
27 September
🌫️
+32°C
28 September
☀️
+32°C
29 September
🌫️
+33°C
30 September
🌫️
+32°C
In September 2024 Penang had 14 sunny days, 0 cloudy days, and 13 rainy days. The average maximum temperature was +31°C, with an absolute maximum of +33°C and a minimum of +27°C. The average humidity was 83%, with a maximum of 100% and a minimum of 64%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Penang climate have been changing during last 43 years period.
The climate in Penang in September has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+30°C) and the highest in 2019 (+32°C). The driest year was 1981 with only 1358 mm of rainfall, and the wettest year was 2021 with 3959 mm.
FAQ
Frequently asked questions about the weather in Penang in September:
Is September a good time to visit Penang?
It’s always a good time to visit Penang, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Penang in September?
September is warm in Penang. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Penang rainy in September?
Penang is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Penang in September?
Usually, it’s not very sunny in Penang in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Malaysia
Check out the weather for other cities in Malaysia.
For this page, we’ve looked at the typical weather in Penang, 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.
