Weather in Rajbiraj - 14-day forecast

Detailed weather forecast for Rajbiraj, Nepal: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Rajbiraj

today🌧️ 29°💧 6.1 mm

Sun🌧️ 30°💧 2.6 mm

Mon🌧️ 28°💧 16.4 mm

Tue🌧️ 29°💧 19.4 mm

Wed🌧️ 28°💧 3.8 mm

Thu🌧️ 27°💧 3.9 mm

Fri🌤️ 33°💧 46.8 mm

Sat🌧️ 32°💧 36.4 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Wednesday 9 Sept in Rajbiraj, the forecast high is 28°C. Typical daytime temperatures at this time of year range from 30°C to 33°C, so it will be exceptionally cool. It is cooler than 99% of similar days.

Saturday 5 Sept

29°Cexceptionally cool

usually 30°C–33°C

cooler than 90% of similar days

night: exceptionally warm rain: more rain than usual wind: stronger than usual

Sunday 6 Sept

30°Ccooler than usual

usually 30°C–33°C

cooler than 87% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Monday 7 Sept

28°Cexceptionally cool

usually 30°C–33°C

cooler than 97% of similar days

night: warmer than usual rain: exceptionally wet wind: stronger than usual

Tuesday 8 Sept

29°Cexceptionally cool

usually 30°C–33°C

cooler than 91% of similar days

night: warmer than usual rain: exceptionally wet wind: typical

Wednesday 9 Sept

28°Cexceptionally cool

usually 30°C–33°C

cooler than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Thursday 10 Sept

27°Cexceptionally cool

usually 30°C–33°C

cooler than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: exceptionally strong

Friday 11 Sept

33°Cwarmer than usual

usually 30°C–33°C

warmer than 84% of similar days

night: exceptionally warm rain: exceptionally wet wind: lighter than usual

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 31°C by day. The coolest year was 1987 (29°C) and the warmest was 1994 (35°C). The current forecast averages 29°C - lower than in 91% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Rajbiraj

Rajbiraj - 14-day weather forecast infographic

Rajbiraj 30 & 45-day weather - long-range outlook

Next 16 days · forecast

29°

around 26° at night · days with rain: 13

Weeks 3-4 · avg for September

33°

around 26° at night · rain chance 20%

Weeks 5-7 · avg for October

31°

around 22° at night · rain chance 8%

The 30 & 45-day outlook for Rajbiraj: the next 16 days are a numerical forecast updated daily - on average 29° by day and 26° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 31° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Rajbiraj

Saturday5 September 2026

🌧️29°moderate rain

sunrise 05:39 · sunset 18:14 · night 27° · evening 31° · rain 6.13 mm · humidity 74% · wind 6 m/s · clouds 100%

Sunday6 September 2026

🌧️30°light rain

sunrise 05:39 · sunset 18:13 · night 27° · evening 30° · rain 2.58 mm · humidity 74% · wind 5 m/s · clouds 81%

Monday7 September 2026

🌧️28°moderate rain

sunrise 05:40 · sunset 18:12 · night 26° · evening 28° · rain 16.42 mm · humidity 82% · wind 6 m/s · clouds 93%

Tuesday8 September 2026

🌧️29°moderate rain

sunrise 05:40 · sunset 18:11 · night 26° · evening 29° · rain 19.35 mm · humidity 76% · wind 4 m/s · clouds 100%

Wednesday9 September 2026

🌧️28°light rain

sunrise 05:41 · sunset 18:10 · night 26° · evening 29° · rain 3.82 mm · humidity 85% · wind 6 m/s · clouds 97%

Thursday10 September 2026

🌧️27°light rain

sunrise 05:41 · sunset 18:09 · night 26° · evening 26° · rain 3.9 mm · humidity 86% · wind 7 m/s · clouds 100%

Friday11 September 2026

🌤️33°scattered clouds

sunrise 05:42 · sunset 18:08 · night 28° · evening 29° · rain 46.83 mm · humidity 57% · wind 3 m/s · clouds 39%

Saturday12 September 2026

🌧️32°moderate rain

sunrise 05:42 · sunset 18:06 · night 26° · evening 28° · rain 36.36 mm · humidity 61% · wind 4 m/s · clouds 97%

Sunday13 September 2026

🌧️24°heavy rain

sunrise 05:42 · sunset 18:05 · night 24° · evening 25° · rain 96.03 mm · humidity 98% · wind 4 m/s · clouds 100%

Monday14 September 2026

🌧️23°moderate rain

sunrise 05:43 · sunset 18:04 · night 24° · evening 24° · rain 32.73 mm · humidity 98% · wind 3 m/s · clouds 100%

Tuesday15 September 2026

🌧️25°light rain

sunrise 05:43 · sunset 18:03 · night 24° · evening 25° · rain 1.11 mm · humidity 87% · wind 3 m/s · clouds 100%

Wednesday16 September 2026

☁️28°overcast clouds

sunrise 05:44 · sunset 18:02 · night 25° · evening 26° · rain 1.5 mm · humidity 69% · wind 3 m/s · clouds 97%

Thursday17 September 2026

☁️30°broken clouds

sunrise 05:44 · sunset 18:01 · night 26° · evening 29° · rain 0.84 mm · humidity 62% · wind 3 m/s · clouds 80%

Friday18 September 2026

🌧️32°light rain

sunrise 05:45 · sunset 18:00 · night 28° · evening 31° · rain 0.51 mm · humidity 61% · wind 3 m/s · clouds 12%

Saturday19 September 2026

🌤️33°scattered clouds

sunrise 05:45 · sunset 17:59 · night 29° · evening 30° · rain 1.88 mm · humidity 56% · wind 2 m/s · clouds 42%

Sunday20 September 2026

☁️34°broken clouds

sunrise 05:45 · sunset 17:57 · night 29° · evening 31° · humidity 55% · wind 2 m/s · clouds 53%

UV index in Rajbiraj - is it safe to sunbathe?

Today the UV index in Rajbiraj is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

Rajbiraj weather through the year

Warmest, driest months on average: January, February, March, April.

Nearby and related places

BiratnagarDharanJanakpurPatanKathmanduHituraBharatpurPokharaNepalgunj

FAQ - Rajbiraj weather

What is the weather like in Rajbiraj today?

Today it is about 29° during the day and 27° at night, moderate rain.

How far ahead can I check the forecast for Rajbiraj?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.