Johor weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: January – February, July – August
What is the weather like in Johor in September?
In September, Johor is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 179 mm. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Johor.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 48 | 46 | 43 |
| Day | 29° | 29° | 29° |
| Night | 25° | 25° | 24° |
| Sea | 29° | 29° | 30° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 26 | 24 | 26 |
More details for September
- Daylight
- 12 h 7 min06:57 – 19:04
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 81 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+8Asia/Kuala_Lumpur
How the score comes together
- Temperatureweight 50 %76 %
- Sunshineweight 20 %42 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Johor in September: quick answers
Is Johor hot in September?
Yes. In September, Johor is hot: daytime highs average 29 °C and nights stay around 25 °C. On about 3 days the thermometer climbs to 30 °C or more.
Can you swim in Johor in September?
Yes. In September the sea averages 29.4 °C – almost as warm as a bath.
Does it rain much in Johor in September?
It rains often – on about 24 days, adding up to 179 mm.
Johor month by month
The whole year in JohorAll destinations: MalaysiaWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences