Climate averages 1991–2020
Miri weather
in September.
A hot, very wet month: the 6th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Miri: daytime highs average 29.2°C and nights cool to about 24.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 195 mm of rain on roughly 23 days, which makes September a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average September day.
The nearest other city in this atlas is Marudi (43 km away). In September its highs average 30.8°C, 1.7°C warmer than Miri, with 221 mm of rain.
Among the 72 cities listed in Malaysia, Miri ranks joint 51st of 72 for the warmest September highs and joint 36th of 72 for the driest September (rainfall, lowest first). The mean September high of those 72 cities is 29.6°C; Miri is 0.4°C cooler than that mean.
From September to October, average highs fall by 0.5°C to 28.7°C, and monthly rainfall rises from 195 mm to 280 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Miri climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.3°C24.3°C | 24.3°C | 202 | 22.8 | 11.912 h |
| February | 28.3°C24.3°C | 24.3°C | 112 | 17.2 | 12.012 h |
| March | 28.9°C24.6°C | 24.6°C | 82 | 16.6 | 12.112 h |
| April | 29.4°C25.0°C | 25.0°C | 124 | 20.5 | 12.212 h |
| May | 29.6°C25.3°C | 25.3°C | 159 | 21.5 | 12.312 h |
| June | 29.4°C25.1°C | 25.1°C | 201 | 19.4 | 12.412 h |
| July | 29.3°C25.0°C | 25.0°C | 187 | 19.3 | 12.312 h |
| August | 29.4°C25.0°C | 25.0°C | 183 | 20.4 | 12.312 h |
| September, selected | 29.2°C24.7°C | 24.7°C | 195 | 22.6 | 12.112 h |
| October | 28.7°C24.4°C | 24.4°C | 280 | 27.1 | 12.012 h |
| November | 28.6°C24.3°C | 24.3°C | 276 | 28.1 | 11.912 h |
| December | 28.4°C24.2°C | 24.2°C | 293 | 28.0 | 11.912 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Marudi in SeptemberMalaysia · 43 kmHigh 30.8°C · Low 23.3°C · 221 mm rain
- Bandar Seri Begawan in SeptemberBrunei · 118 kmHigh 29.9°C · Low 24.4°C · 196 mm rain
- Labuan in SeptemberMalaysia · 170 kmHigh 29.3°C · Low 25.2°C · 158 mm rain
- Bintulu in SeptemberMalaysia · 173 kmHigh 30.4°C · Low 23.6°C · 213 mm rain
- Keningau in SeptemberMalaysia · 262 kmHigh 29.9°C · Low 21.7°C · 122 mm rain
- Putatan in SeptemberMalaysia · 285 kmHigh 29.2°C · Low 23.9°C · 173 mm rain
- Kota Kinabalu in SeptemberMalaysia · 289 kmHigh 29.1°C · Low 24.2°C · 173 mm rain
- Sibu in SeptemberMalaysia · 336 kmHigh 30.3°C · Low 23.4°C · 242 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Miri) is explained once on the Miri year overview and on the Sources, method and limits page.