Siwān Weather in September
Siwān in September
The short of it: Siwān in September averages a high of 33 °C (91 °F) and a low of 26 °C (78 °F), with 204 mm (8.0 in) of rain and about 12 h 16 min of daylight. Rated 2 of 5 for a visit; the best months are January and December. Source: TerraClimate climate normals, 1991–2020.
Average high 33° · low 26° · rain 204 mm · daylight 12 h 16 min
✦✦ Travel with care for a visit · best months: January & December
September in Siwān brings afternoons near 33° and nights around 26°, with about 204 mm of rain over the month. Days run hot, near 33° in the afternoon; ride early and rest at noon. Wet spells are common — about 204 mm, the 3rd wettest month.
The sun is up for about 12 h 16 min in mid-September, 47 minutes less than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 2 of 5 for a visit; the finest months here are January and December.
Against its neighbours, Siwān runs warmer than most and wetter than most in September. Hathwa, 16 km to the NNW, sees much the same highs.
September in Siwān, by the numbers
- Warmth rank
- 6th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- about the same, 123 mm less rain
- Versus October
- 1° warmer
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 16 min
- Average wind
- 4 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| HathwaBihar | 16 km NNW | 33° | 26° | 195 mm |
| MirganjBihar | 17 km N | 33° | 26° | 196 mm |
| MahārājganiBihar | 19 km SE | 33° | 26° | 208 mm |
| MairwaBihar | 19 km W | 33° | 25° | 195 mm |
| GopālganjBihar | 29 km NNE | 33° | 25° | 196 mm |
| BarauliBihar | 29 km NE | 33° | 25° | 201 mm |
| ManiarUttar Pradesh | 32 km SW | 33° | 26° | 180 mm |
| SikandarpurUttar Pradesh | 36 km WSW | 33° | 26° | 181 mm |